201612920

素因数分解:

$2^3\times 5^1\times {\mathrm{1637}}^1\times {\mathrm{3079}}^1$

素因数の和:4727

約数の個数: 32

約数和(自身を含む): 454053600

約数和(自身を除く): 252440680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1637, 3079, 3274, 6158, 6548, 8185, 12316, 13096, 15395, 16370, 24632, 30790, 32740, 61580, 65480, 123160, 5040323, 10080646, 20161292, 25201615, 40322584, 50403230, 100806460, 201612920]

約数ペア:

[(1, 201612920), (2, 100806460), (4, 50403230), (5, 40322584), (8, 25201615), (10, 20161292), (20, 10080646), (40, 5040323), (1637, 123160), (3079, 65480), (3274, 61580), (6158, 32740), (6548, 30790), (8185, 24632), (12316, 16370), (13096, 15395)]