2265640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4357}}^1$

素因数の和:4381

約数の個数: 32

約数和(自身を含む): 5491080

約数和(自身を除く): 3225440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4357, 8714, 17428, 21785, 34856, 43570, 56641, 87140, 113282, 174280, 226564, 283205, 453128, 566410, 1132820, 2265640]

約数ペア:

[(1, 2265640), (2, 1132820), (4, 566410), (5, 453128), (8, 283205), (10, 226564), (13, 174280), (20, 113282), (26, 87140), (40, 56641), (52, 43570), (65, 34856), (104, 21785), (130, 17428), (260, 8714), (520, 4357)]