280804120

素因数分解:

$2^3\times 5^1\times {\mathrm{7020103}}^1$

素因数の和:7020114

約数の個数: 16

約数和(自身を含む): 631809360

約数和(自身を除く): 351005240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7020103, 14040206, 28080412, 35100515, 56160824, 70201030, 140402060, 280804120]

約数ペア:

[(1, 280804120), (2, 140402060), (4, 70201030), (5, 56160824), (8, 35100515), (10, 28080412), (20, 14040206), (40, 7020103)]