109779280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{105557}}^1$

素因数の和:105583

約数の個数: 40

約数和(自身を含む): 274873032

約数和(自身を除く): 165093752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 105557, 211114, 422228, 527785, 844456, 1055570, 1372241, 1688912, 2111140, 2744482, 4222280, 5488964, 6861205, 8444560, 10977928, 13722410, 21955856, 27444820, 54889640, 109779280]

約数ペア:

[(1, 109779280), (2, 54889640), (4, 27444820), (5, 21955856), (8, 13722410), (10, 10977928), (13, 8444560), (16, 6861205), (20, 5488964), (26, 4222280), (40, 2744482), (52, 2111140), (65, 1688912), (80, 1372241), (104, 1055570), (130, 844456), (208, 527785), (260, 422228), (520, 211114), (1040, 105557)]