1260408040

素因数分解:

$2^3\times 5^1\times {\mathrm{823}}^1\times {\mathrm{38287}}^1$

素因数の和:39121

約数の個数: 32

約数和(自身を含む): 2839438080

約数和(自身を除く): 1579030040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 823, 1646, 3292, 4115, 6584, 8230, 16460, 32920, 38287, 76574, 153148, 191435, 306296, 382870, 765740, 1531480, 31510201, 63020402, 126040804, 157551005, 252081608, 315102010, 630204020, 1260408040]

約数ペア:

[(1, 1260408040), (2, 630204020), (4, 315102010), (5, 252081608), (8, 157551005), (10, 126040804), (20, 63020402), (40, 31510201), (823, 1531480), (1646, 765740), (3292, 382870), (4115, 306296), (6584, 191435), (8230, 153148), (16460, 76574), (32920, 38287)]