87675640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1213}}^1$

素因数の和:1376

約数の個数: 64

約数和(自身を含む): 214149600

約数和(自身を除く): 126473960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 260, 278, 520, 556, 695, 1112, 1213, 1390, 1807, 2426, 2780, 3614, 4852, 5560, 6065, 7228, 9035, 9704, 12130, 14456, 15769, 18070, 24260, 31538, 36140, 48520, 63076, 72280, 78845, 126152, 157690, 168607, 315380, 337214, 630760, 674428, 843035, 1348856, 1686070, 2191891, 3372140, 4383782, 6744280, 8767564, 10959455, 17535128, 21918910, 43837820, 87675640]

約数ペア:

[(1, 87675640), (2, 43837820), (4, 21918910), (5, 17535128), (8, 10959455), (10, 8767564), (13, 6744280), (20, 4383782), (26, 3372140), (40, 2191891), (52, 1686070), (65, 1348856), (104, 843035), (130, 674428), (139, 630760), (260, 337214), (278, 315380), (520, 168607), (556, 157690), (695, 126152), (1112, 78845), (1213, 72280), (1390, 63076), (1807, 48520), (2426, 36140), (2780, 31538), (3614, 24260), (4852, 18070), (5560, 15769), (6065, 14456), (7228, 12130), (9035, 9704)]