56815280

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4357}}^1$

素因数の和:4533

約数の個数: 40

約数和(自身を含む): 132936432

約数和(自身を除く): 76121152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 4357, 6520, 8714, 13040, 17428, 21785, 34856, 43570, 69712, 87140, 174280, 348560, 710191, 1420382, 2840764, 3550955, 5681528, 7101910, 11363056, 14203820, 28407640, 56815280]

約数ペア:

[(1, 56815280), (2, 28407640), (4, 14203820), (5, 11363056), (8, 7101910), (10, 5681528), (16, 3550955), (20, 2840764), (40, 1420382), (80, 710191), (163, 348560), (326, 174280), (652, 87140), (815, 69712), (1304, 43570), (1630, 34856), (2608, 21785), (3260, 17428), (4357, 13040), (6520, 8714)]