82987640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{29221}}^1$

素因数の和:29303

約数の個数: 32

約数和(自身を含む): 189358560

約数和(自身を除く): 106370920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 29221, 58442, 116884, 146105, 233768, 292210, 584420, 1168840, 2074691, 4149382, 8298764, 10373455, 16597528, 20746910, 41493820, 82987640]

約数ペア:

[(1, 82987640), (2, 41493820), (4, 20746910), (5, 16597528), (8, 10373455), (10, 8298764), (20, 4149382), (40, 2074691), (71, 1168840), (142, 584420), (284, 292210), (355, 233768), (568, 146105), (710, 116884), (1420, 58442), (2840, 29221)]