64596020

素因数分解:

$2^2\times 5^1\times {\mathrm{1637}}^1\times {\mathrm{1973}}^1$

素因数の和:3619

約数の個数: 24

約数和(自身を含む): 135803304

約数和(自身を除く): 71207284

約数列:

[1, 2, 4, 5, 10, 20, 1637, 1973, 3274, 3946, 6548, 7892, 8185, 9865, 16370, 19730, 32740, 39460, 3229801, 6459602, 12919204, 16149005, 32298010, 64596020]

約数ペア:

[(1, 64596020), (2, 32298010), (4, 16149005), (5, 12919204), (10, 6459602), (20, 3229801), (1637, 39460), (1973, 32740), (3274, 19730), (3946, 16370), (6548, 9865), (7892, 8185)]