15668612840

素因数分解:

$2^3\times 5^1\times {\mathrm{11317}}^1\times {\mathrm{34613}}^1$

素因数の和:45941

約数の個数: 32

約数和(自身を含む): 35258512680

約数和(自身を除く): 19589899840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 11317, 22634, 34613, 45268, 56585, 69226, 90536, 113170, 138452, 173065, 226340, 276904, 346130, 452680, 692260, 1384520, 391715321, 783430642, 1566861284, 1958576605, 3133722568, 3917153210, 7834306420, 15668612840]

約数ペア:

[(1, 15668612840), (2, 7834306420), (4, 3917153210), (5, 3133722568), (8, 1958576605), (10, 1566861284), (20, 783430642), (40, 391715321), (11317, 1384520), (22634, 692260), (34613, 452680), (45268, 346130), (56585, 276904), (69226, 226340), (90536, 173065), (113170, 138452)]