31052120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70573}}^1$

素因数の和:70595

約数の個数: 32

約数和(自身を含む): 76219920

約数和(自身を除く): 45167800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 70573, 141146, 282292, 352865, 564584, 705730, 776303, 1411460, 1552606, 2822920, 3105212, 3881515, 6210424, 7763030, 15526060, 31052120]

約数ペア:

[(1, 31052120), (2, 15526060), (4, 7763030), (5, 6210424), (8, 3881515), (10, 3105212), (11, 2822920), (20, 1552606), (22, 1411460), (40, 776303), (44, 705730), (55, 564584), (88, 352865), (110, 282292), (220, 141146), (440, 70573)]