8031940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{557}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 19498752

約数和(自身を除く): 11466812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 557, 721, 1030, 1114, 1442, 2060, 2228, 2785, 2884, 3605, 3899, 5570, 7210, 7798, 11140, 14420, 15596, 19495, 38990, 57371, 77980, 114742, 229484, 286855, 401597, 573710, 803194, 1147420, 1606388, 2007985, 4015970, 8031940]

約数ペア:

[(1, 8031940), (2, 4015970), (4, 2007985), (5, 1606388), (7, 1147420), (10, 803194), (14, 573710), (20, 401597), (28, 286855), (35, 229484), (70, 114742), (103, 77980), (140, 57371), (206, 38990), (412, 19495), (515, 15596), (557, 14420), (721, 11140), (1030, 7798), (1114, 7210), (1442, 5570), (2060, 3899), (2228, 3605), (2785, 2884)]