71157320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{136841}}^1$

素因数の和:136865

約数の個数: 32

約数和(自身を含む): 172420920

約数和(自身を除く): 101263600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 136841, 273682, 547364, 684205, 1094728, 1368410, 1778933, 2736820, 3557866, 5473640, 7115732, 8894665, 14231464, 17789330, 35578660, 71157320]

約数ペア:

[(1, 71157320), (2, 35578660), (4, 17789330), (5, 14231464), (8, 8894665), (10, 7115732), (13, 5473640), (20, 3557866), (26, 2736820), (40, 1778933), (52, 1368410), (65, 1094728), (104, 684205), (130, 547364), (260, 273682), (520, 136841)]