50500000

素因数分解:

$2^5\times 5^6\times {\mathrm{101}}^1$

素因数の和:141

約数の個数: 84

約数和(自身を含む): 125506206

約数和(自身を除く): 75006206

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 101, 125, 160, 200, 202, 250, 400, 404, 500, 505, 625, 800, 808, 1000, 1010, 1250, 1616, 2000, 2020, 2500, 2525, 3125, 3232, 4000, 4040, 5000, 5050, 6250, 8080, 10000, 10100, 12500, 12625, 15625, 16160, 20000, 20200, 25000, 25250, 31250, 40400, 50000, 50500, 62500, 63125, 80800, 100000, 101000, 125000, 126250, 202000, 250000, 252500, 315625, 404000, 500000, 505000, 631250, 1010000, 1262500, 1578125, 2020000, 2525000, 3156250, 5050000, 6312500, 10100000, 12625000, 25250000, 50500000]

約数ペア:

[(1, 50500000), (2, 25250000), (4, 12625000), (5, 10100000), (8, 6312500), (10, 5050000), (16, 3156250), (20, 2525000), (25, 2020000), (32, 1578125), (40, 1262500), (50, 1010000), (80, 631250), (100, 505000), (101, 500000), (125, 404000), (160, 315625), (200, 252500), (202, 250000), (250, 202000), (400, 126250), (404, 125000), (500, 101000), (505, 100000), (625, 80800), (800, 63125), (808, 62500), (1000, 50500), (1010, 50000), (1250, 40400), (1616, 31250), (2000, 25250), (2020, 25000), (2500, 20200), (2525, 20000), (3125, 16160), (3232, 15625), (4000, 12625), (4040, 12500), (5000, 10100), (5050, 10000), (6250, 8080)]