7965520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5857}}^1$

素因数の和:5887

約数の個数: 40

約数和(自身を含む): 19612584

約数和(自身を除く): 11647064

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 5857, 11714, 23428, 29285, 46856, 58570, 93712, 99569, 117140, 199138, 234280, 398276, 468560, 497845, 796552, 995690, 1593104, 1991380, 3982760, 7965520]

約数ペア:

[(1, 7965520), (2, 3982760), (4, 1991380), (5, 1593104), (8, 995690), (10, 796552), (16, 497845), (17, 468560), (20, 398276), (34, 234280), (40, 199138), (68, 117140), (80, 99569), (85, 93712), (136, 58570), (170, 46856), (272, 29285), (340, 23428), (680, 11714), (1360, 5857)]