172020080

素因数分解:

$2^4\times 5^1\times {\mathrm{569}}^1\times {\mathrm{3779}}^1$

素因数の和:4361

約数の個数: 40

約数和(自身を含む): 400755600

約数和(自身を除く): 228735520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 569, 1138, 2276, 2845, 3779, 4552, 5690, 7558, 9104, 11380, 15116, 18895, 22760, 30232, 37790, 45520, 60464, 75580, 151160, 302320, 2150251, 4300502, 8601004, 10751255, 17202008, 21502510, 34404016, 43005020, 86010040, 172020080]

約数ペア:

[(1, 172020080), (2, 86010040), (4, 43005020), (5, 34404016), (8, 21502510), (10, 17202008), (16, 10751255), (20, 8601004), (40, 4300502), (80, 2150251), (569, 302320), (1138, 151160), (2276, 75580), (2845, 60464), (3779, 45520), (4552, 37790), (5690, 30232), (7558, 22760), (9104, 18895), (11380, 15116)]