66862120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1811}}^1$

素因数の和:1906

約数の個数: 64

約数和(自身を含む): 164384640

約数和(自身を除く): 97522520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1420, 1811, 1846, 2840, 3622, 3692, 4615, 7244, 7384, 9055, 9230, 14488, 18110, 18460, 23543, 36220, 36920, 47086, 72440, 94172, 117715, 128581, 188344, 235430, 257162, 470860, 514324, 642905, 941720, 1028648, 1285810, 1671553, 2571620, 3343106, 5143240, 6686212, 8357765, 13372424, 16715530, 33431060, 66862120]

約数ペア:

[(1, 66862120), (2, 33431060), (4, 16715530), (5, 13372424), (8, 8357765), (10, 6686212), (13, 5143240), (20, 3343106), (26, 2571620), (40, 1671553), (52, 1285810), (65, 1028648), (71, 941720), (104, 642905), (130, 514324), (142, 470860), (260, 257162), (284, 235430), (355, 188344), (520, 128581), (568, 117715), (710, 94172), (923, 72440), (1420, 47086), (1811, 36920), (1846, 36220), (2840, 23543), (3622, 18460), (3692, 18110), (4615, 14488), (7244, 9230), (7384, 9055)]