13307028040

素因数分解:

$2^3\times 5^1\times {\mathrm{2381}}^1\times {\mathrm{139721}}^1$

素因数の和:142113

約数の個数: 32

約数和(自身を含む): 29953602360

約数和(自身を除く): 16646574320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2381, 4762, 9524, 11905, 19048, 23810, 47620, 95240, 139721, 279442, 558884, 698605, 1117768, 1397210, 2794420, 5588840, 332675701, 665351402, 1330702804, 1663378505, 2661405608, 3326757010, 6653514020, 13307028040]

約数ペア:

[(1, 13307028040), (2, 6653514020), (4, 3326757010), (5, 2661405608), (8, 1663378505), (10, 1330702804), (20, 665351402), (40, 332675701), (2381, 5588840), (4762, 2794420), (9524, 1397210), (11905, 1117768), (19048, 698605), (23810, 558884), (47620, 279442), (95240, 139721)]