139812920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4013}}^1$

素因数の和:4104

約数の個数: 64

約数和(自身を含む): 343919520

約数和(自身を除く): 204106600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1742, 2680, 3484, 4013, 4355, 6968, 8026, 8710, 16052, 17420, 20065, 32104, 34840, 40130, 52169, 80260, 104338, 160520, 208676, 260845, 268871, 417352, 521690, 537742, 1043380, 1075484, 1344355, 2086760, 2150968, 2688710, 3495323, 5377420, 6990646, 10754840, 13981292, 17476615, 27962584, 34953230, 69906460, 139812920]

約数ペア:

[(1, 139812920), (2, 69906460), (4, 34953230), (5, 27962584), (8, 17476615), (10, 13981292), (13, 10754840), (20, 6990646), (26, 5377420), (40, 3495323), (52, 2688710), (65, 2150968), (67, 2086760), (104, 1344355), (130, 1075484), (134, 1043380), (260, 537742), (268, 521690), (335, 417352), (520, 268871), (536, 260845), (670, 208676), (871, 160520), (1340, 104338), (1742, 80260), (2680, 52169), (3484, 40130), (4013, 34840), (4355, 32104), (6968, 20065), (8026, 17420), (8710, 16052)]