21274640000

素因数分解:

$2^7\times 5^4\times {\mathrm{101}}^1\times {\mathrm{2633}}^1$

素因数の和:2768

約数の個数: 160

約数和(自身を含む): 53506575540

約数和(自身を除く): 32231935540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 101, 125, 128, 160, 200, 202, 250, 320, 400, 404, 500, 505, 625, 640, 800, 808, 1000, 1010, 1250, 1600, 1616, 2000, 2020, 2500, 2525, 2633, 3200, 3232, 4000, 4040, 5000, 5050, 5266, 6464, 8000, 8080, 10000, 10100, 10532, 12625, 12928, 13165, 16000, 16160, 20000, 20200, 21064, 25250, 26330, 32320, 40000, 40400, 42128, 50500, 52660, 63125, 64640, 65825, 80000, 80800, 84256, 101000, 105320, 126250, 131650, 161600, 168512, 202000, 210640, 252500, 263300, 265933, 323200, 329125, 337024, 404000, 421280, 505000, 526600, 531866, 658250, 808000, 842560, 1010000, 1053200, 1063732, 1316500, 1329665, 1616000, 1645625, 1685120, 2020000, 2106400, 2127464, 2633000, 2659330, 3291250, 4040000, 4212800, 4254928, 5266000, 5318660, 6582500, 6648325, 8080000, 8425600, 8509856, 10532000, 10637320, 13165000, 13296650, 17019712, 21064000, 21274640, 26330000, 26593300, 33241625, 34039424, 42128000, 42549280, 52660000, 53186600, 66483250, 85098560, 105320000, 106373200, 132966500, 166208125, 170197120, 210640000, 212746400, 265933000, 332416250, 425492800, 531866000, 664832500, 850985600, 1063732000, 1329665000, 2127464000, 2659330000, 4254928000, 5318660000, 10637320000, 21274640000]

約数ペア:

[(1, 21274640000), (2, 10637320000), (4, 5318660000), (5, 4254928000), (8, 2659330000), (10, 2127464000), (16, 1329665000), (20, 1063732000), (25, 850985600), (32, 664832500), (40, 531866000), (50, 425492800), (64, 332416250), (80, 265933000), (100, 212746400), (101, 210640000), (125, 170197120), (128, 166208125), (160, 132966500), (200, 106373200), (202, 105320000), (250, 85098560), (320, 66483250), (400, 53186600), (404, 52660000), (500, 42549280), (505, 42128000), (625, 34039424), (640, 33241625), (800, 26593300), (808, 26330000), (1000, 21274640), (1010, 21064000), (1250, 17019712), (1600, 13296650), (1616, 13165000), (2000, 10637320), (2020, 10532000), (2500, 8509856), (2525, 8425600), (2633, 8080000), (3200, 6648325), (3232, 6582500), (4000, 5318660), (4040, 5266000), (5000, 4254928), (5050, 4212800), (5266, 4040000), (6464, 3291250), (8000, 2659330), (8080, 2633000), (10000, 2127464), (10100, 2106400), (10532, 2020000), (12625, 1685120), (12928, 1645625), (13165, 1616000), (16000, 1329665), (16160, 1316500), (20000, 1063732), (20200, 1053200), (21064, 1010000), (25250, 842560), (26330, 808000), (32320, 658250), (40000, 531866), (40400, 526600), (42128, 505000), (50500, 421280), (52660, 404000), (63125, 337024), (64640, 329125), (65825, 323200), (80000, 265933), (80800, 263300), (84256, 252500), (101000, 210640), (105320, 202000), (126250, 168512), (131650, 161600)]