64486520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{230309}}^1$

素因数の和:230327

約数の個数: 32

約数和(自身を含む): 165823200

約数和(自身を除く): 101336680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 230309, 460618, 921236, 1151545, 1612163, 1842472, 2303090, 3224326, 4606180, 6448652, 8060815, 9212360, 12897304, 16121630, 32243260, 64486520]

約数ペア:

[(1, 64486520), (2, 32243260), (4, 16121630), (5, 12897304), (7, 9212360), (8, 8060815), (10, 6448652), (14, 4606180), (20, 3224326), (28, 2303090), (35, 1842472), (40, 1612163), (56, 1151545), (70, 921236), (140, 460618), (280, 230309)]