2128100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1637}}^1$

素因数の和:1664

約数の個数: 36

約数和(自身を含む): 4976244

約数和(自身を除く): 2848144

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 1637, 3274, 6548, 8185, 16370, 21281, 32740, 40925, 42562, 81850, 85124, 106405, 163700, 212810, 425620, 532025, 1064050, 2128100]

約数ペア:

[(1, 2128100), (2, 1064050), (4, 532025), (5, 425620), (10, 212810), (13, 163700), (20, 106405), (25, 85124), (26, 81850), (50, 42562), (52, 40925), (65, 32740), (100, 21281), (130, 16370), (260, 8185), (325, 6548), (650, 3274), (1300, 1637)]