2021090800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2633}}^1$

素因数の和:2771

約数の個数: 120

約数和(自身を含む): 5163798960

約数和(自身を除く): 3142708160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 101, 152, 190, 200, 202, 304, 380, 400, 404, 475, 505, 760, 808, 950, 1010, 1520, 1616, 1900, 1919, 2020, 2525, 2633, 3800, 3838, 4040, 5050, 5266, 7600, 7676, 8080, 9595, 10100, 10532, 13165, 15352, 19190, 20200, 21064, 26330, 30704, 38380, 40400, 42128, 47975, 50027, 52660, 65825, 76760, 95950, 100054, 105320, 131650, 153520, 191900, 200108, 210640, 250135, 263300, 265933, 383800, 400216, 500270, 526600, 531866, 767600, 800432, 1000540, 1053200, 1063732, 1250675, 1329665, 2001080, 2127464, 2501350, 2659330, 4002160, 4254928, 5002700, 5052727, 5318660, 6648325, 10005400, 10105454, 10637320, 13296650, 20010800, 20210908, 21274640, 25263635, 26593300, 40421816, 50527270, 53186600, 80843632, 101054540, 106373200, 126318175, 202109080, 252636350, 404218160, 505272700, 1010545400, 2021090800]

約数ペア:

[(1, 2021090800), (2, 1010545400), (4, 505272700), (5, 404218160), (8, 252636350), (10, 202109080), (16, 126318175), (19, 106373200), (20, 101054540), (25, 80843632), (38, 53186600), (40, 50527270), (50, 40421816), (76, 26593300), (80, 25263635), (95, 21274640), (100, 20210908), (101, 20010800), (152, 13296650), (190, 10637320), (200, 10105454), (202, 10005400), (304, 6648325), (380, 5318660), (400, 5052727), (404, 5002700), (475, 4254928), (505, 4002160), (760, 2659330), (808, 2501350), (950, 2127464), (1010, 2001080), (1520, 1329665), (1616, 1250675), (1900, 1063732), (1919, 1053200), (2020, 1000540), (2525, 800432), (2633, 767600), (3800, 531866), (3838, 526600), (4040, 500270), (5050, 400216), (5266, 383800), (7600, 265933), (7676, 263300), (8080, 250135), (9595, 210640), (10100, 200108), (10532, 191900), (13165, 153520), (15352, 131650), (19190, 105320), (20200, 100054), (21064, 95950), (26330, 76760), (30704, 65825), (38380, 52660), (40400, 50027), (42128, 47975)]