155655492220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{189823771}}^1$

素因数の和:189823821

約数の個数: 24

約数和(自身を含む): 334849133808

約数和(自身を除く): 179193641588

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 189823771, 379647542, 759295084, 949118855, 1898237710, 3796475420, 7782774611, 15565549222, 31131098444, 38913873055, 77827746110, 155655492220]

約数ペア:

[(1, 155655492220), (2, 77827746110), (4, 38913873055), (5, 31131098444), (10, 15565549222), (20, 7782774611), (41, 3796475420), (82, 1898237710), (164, 949118855), (205, 759295084), (410, 379647542), (820, 189823771)]