31333640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60257}}^1$

素因数の和:60281

約数の個数: 32

約数和(自身を含む): 75925080

約数和(自身を除く): 44591440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 60257, 120514, 241028, 301285, 482056, 602570, 783341, 1205140, 1566682, 2410280, 3133364, 3916705, 6266728, 7833410, 15666820, 31333640]

約数ペア:

[(1, 31333640), (2, 15666820), (4, 7833410), (5, 6266728), (8, 3916705), (10, 3133364), (13, 2410280), (20, 1566682), (26, 1205140), (40, 783341), (52, 602570), (65, 482056), (104, 301285), (130, 241028), (260, 120514), (520, 60257)]