80780590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{38651}}^1$

素因数の和:38688

約数の個数: 32

約数和(自身を含む): 166976640

約数和(自身を除く): 86196050

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 38651, 77302, 193255, 386510, 425161, 734369, 850322, 1468738, 2125805, 3671845, 4251610, 7343690, 8078059, 16156118, 40390295, 80780590]

約数ペア:

[(1, 80780590), (2, 40390295), (5, 16156118), (10, 8078059), (11, 7343690), (19, 4251610), (22, 3671845), (38, 2125805), (55, 1468738), (95, 850322), (110, 734369), (190, 425161), (209, 386510), (418, 193255), (1045, 77302), (2090, 38651)]