30865640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59357}}^1$

素因数の和:59381

約数の個数: 32

約数和(自身を含む): 74791080

約数和(自身を除く): 43925440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 59357, 118714, 237428, 296785, 474856, 593570, 771641, 1187140, 1543282, 2374280, 3086564, 3858205, 6173128, 7716410, 15432820, 30865640]

約数ペア:

[(1, 30865640), (2, 15432820), (4, 7716410), (5, 6173128), (8, 3858205), (10, 3086564), (13, 2374280), (20, 1543282), (26, 1187140), (40, 771641), (52, 593570), (65, 474856), (104, 296785), (130, 237428), (260, 118714), (520, 59357)]