764920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1471}}^1$

素因数の和:1495

約数の個数: 32

約数和(自身を含む): 1854720

約数和(自身を除く): 1089800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1471, 2942, 5884, 7355, 11768, 14710, 19123, 29420, 38246, 58840, 76492, 95615, 152984, 191230, 382460, 764920]

約数ペア:

[(1, 764920), (2, 382460), (4, 191230), (5, 152984), (8, 95615), (10, 76492), (13, 58840), (20, 38246), (26, 29420), (40, 19123), (52, 14710), (65, 11768), (104, 7355), (130, 5884), (260, 2942), (520, 1471)]