9985100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{3221}}^1$

素因数の和:3266

約数の個数: 36

約数和(自身を含む): 22373568

約数和(自身を除く): 12388468

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 3221, 6442, 12884, 16105, 32210, 64420, 80525, 99851, 161050, 199702, 322100, 399404, 499255, 998510, 1997020, 2496275, 4992550, 9985100]

約数ペア:

[(1, 9985100), (2, 4992550), (4, 2496275), (5, 1997020), (10, 998510), (20, 499255), (25, 399404), (31, 322100), (50, 199702), (62, 161050), (100, 99851), (124, 80525), (155, 64420), (310, 32210), (620, 16105), (775, 12884), (1550, 6442), (3100, 3221)]