20170972750

素因数分解:

$2^1\times 5^3\times {\mathrm{6299}}^1\times {\mathrm{12809}}^1$

素因数の和:19125

約数の個数: 32

約数和(自身を含む): 37769004000

約数和(自身を除く): 17598031250

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 6299, 12598, 12809, 25618, 31495, 62990, 64045, 128090, 157475, 314950, 320225, 640450, 787375, 1574750, 1601125, 3202250, 80683891, 161367782, 403419455, 806838910, 2017097275, 4034194550, 10085486375, 20170972750]

約数ペア:

[(1, 20170972750), (2, 10085486375), (5, 4034194550), (10, 2017097275), (25, 806838910), (50, 403419455), (125, 161367782), (250, 80683891), (6299, 3202250), (12598, 1601125), (12809, 1574750), (25618, 787375), (31495, 640450), (62990, 320225), (64045, 314950), (128090, 157475)]