90735320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{174491}}^1$

素因数の和:174515

約数の個数: 32

約数和(自身を含む): 219859920

約数和(自身を除く): 129124600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 174491, 348982, 697964, 872455, 1395928, 1744910, 2268383, 3489820, 4536766, 6979640, 9073532, 11341915, 18147064, 22683830, 45367660, 90735320]

約数ペア:

[(1, 90735320), (2, 45367660), (4, 22683830), (5, 18147064), (8, 11341915), (10, 9073532), (13, 6979640), (20, 4536766), (26, 3489820), (40, 2268383), (52, 1744910), (65, 1395928), (104, 872455), (130, 697964), (260, 348982), (520, 174491)]