126117680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121267}}^1$

素因数の和:121293

約数の個数: 40

約数和(自身を含む): 315781872

約数和(自身を除く): 189664192

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 121267, 242534, 485068, 606335, 970136, 1212670, 1576471, 1940272, 2425340, 3152942, 4850680, 6305884, 7882355, 9701360, 12611768, 15764710, 25223536, 31529420, 63058840, 126117680]

約数ペア:

[(1, 126117680), (2, 63058840), (4, 31529420), (5, 25223536), (8, 15764710), (10, 12611768), (13, 9701360), (16, 7882355), (20, 6305884), (26, 4850680), (40, 3152942), (52, 2425340), (65, 1940272), (80, 1576471), (104, 1212670), (130, 970136), (208, 606335), (260, 485068), (520, 242534), (1040, 121267)]