12917320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24841}}^1$

素因数の和:24865

約数の個数: 32

約数和(自身を含む): 31300920

約数和(自身を除く): 18383600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 24841, 49682, 99364, 124205, 198728, 248410, 322933, 496820, 645866, 993640, 1291732, 1614665, 2583464, 3229330, 6458660, 12917320]

約数ペア:

[(1, 12917320), (2, 6458660), (4, 3229330), (5, 2583464), (8, 1614665), (10, 1291732), (13, 993640), (20, 645866), (26, 496820), (40, 322933), (52, 248410), (65, 198728), (104, 124205), (130, 99364), (260, 49682), (520, 24841)]