128805220

素因数分解:

$2^2\times 5^1\times {\mathrm{2053}}^1\times {\mathrm{3137}}^1$

素因数の和:5199

約数の個数: 24

約数和(自身を含む): 270708984

約数和(自身を除く): 141903764

約数列:

[1, 2, 4, 5, 10, 20, 2053, 3137, 4106, 6274, 8212, 10265, 12548, 15685, 20530, 31370, 41060, 62740, 6440261, 12880522, 25761044, 32201305, 64402610, 128805220]

約数ペア:

[(1, 128805220), (2, 64402610), (4, 32201305), (5, 25761044), (10, 12880522), (20, 6440261), (2053, 62740), (3137, 41060), (4106, 31370), (6274, 20530), (8212, 15685), (10265, 12548)]