13003640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1471}}^1$

素因数の和:1512

約数の個数: 64

約数和(自身を含む): 33384960

約数和(自身を除く): 20381320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1471, 1768, 2210, 2942, 4420, 5884, 7355, 8840, 11768, 14710, 19123, 25007, 29420, 38246, 50014, 58840, 76492, 95615, 100028, 125035, 152984, 191230, 200056, 250070, 325091, 382460, 500140, 650182, 764920, 1000280, 1300364, 1625455, 2600728, 3250910, 6501820, 13003640]

約数ペア:

[(1, 13003640), (2, 6501820), (4, 3250910), (5, 2600728), (8, 1625455), (10, 1300364), (13, 1000280), (17, 764920), (20, 650182), (26, 500140), (34, 382460), (40, 325091), (52, 250070), (65, 200056), (68, 191230), (85, 152984), (104, 125035), (130, 100028), (136, 95615), (170, 76492), (221, 58840), (260, 50014), (340, 38246), (442, 29420), (520, 25007), (680, 19123), (884, 14710), (1105, 11768), (1471, 8840), (1768, 7355), (2210, 5884), (2942, 4420)]