13254280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 32659200

約数和(自身を除く): 19404920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 359, 520, 568, 710, 718, 923, 1420, 1436, 1795, 1846, 2840, 2872, 3590, 3692, 4615, 4667, 7180, 7384, 9230, 9334, 14360, 18460, 18668, 23335, 25489, 36920, 37336, 46670, 50978, 93340, 101956, 127445, 186680, 203912, 254890, 331357, 509780, 662714, 1019560, 1325428, 1656785, 2650856, 3313570, 6627140, 13254280]

約数ペア:

[(1, 13254280), (2, 6627140), (4, 3313570), (5, 2650856), (8, 1656785), (10, 1325428), (13, 1019560), (20, 662714), (26, 509780), (40, 331357), (52, 254890), (65, 203912), (71, 186680), (104, 127445), (130, 101956), (142, 93340), (260, 50978), (284, 46670), (355, 37336), (359, 36920), (520, 25489), (568, 23335), (710, 18668), (718, 18460), (923, 14360), (1420, 9334), (1436, 9230), (1795, 7384), (1846, 7180), (2840, 4667), (2872, 4615), (3590, 3692)]