13185640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25357}}^1$

素因数の和:25381

約数の個数: 32

約数和(自身を含む): 31951080

約数和(自身を除く): 18765440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 25357, 50714, 101428, 126785, 202856, 253570, 329641, 507140, 659282, 1014280, 1318564, 1648205, 2637128, 3296410, 6592820, 13185640]

約数ペア:

[(1, 13185640), (2, 6592820), (4, 3296410), (5, 2637128), (8, 1648205), (10, 1318564), (13, 1014280), (20, 659282), (26, 507140), (40, 329641), (52, 253570), (65, 202856), (104, 126785), (130, 101428), (260, 50714), (520, 25357)]