98755640

素因数分解:

$2^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{4339}}^1$

素因数の和:4919

約数の個数: 32

約数和(自身を含む): 222642000

約数和(自身を除く): 123886360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 569, 1138, 2276, 2845, 4339, 4552, 5690, 8678, 11380, 17356, 21695, 22760, 34712, 43390, 86780, 173560, 2468891, 4937782, 9875564, 12344455, 19751128, 24688910, 49377820, 98755640]

約数ペア:

[(1, 98755640), (2, 49377820), (4, 24688910), (5, 19751128), (8, 12344455), (10, 9875564), (20, 4937782), (40, 2468891), (569, 173560), (1138, 86780), (2276, 43390), (2845, 34712), (4339, 22760), (4552, 21695), (5690, 17356), (8678, 11380)]