85275280

素因数分解:

$2^4\times 5^1\times {\mathrm{1065941}}^1$

素因数の和:1065954

約数の個数: 20

約数和(自身を含む): 198265212

約数和(自身を除く): 112989932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1065941, 2131882, 4263764, 5329705, 8527528, 10659410, 17055056, 21318820, 42637640, 85275280]

約数ペア:

[(1, 85275280), (2, 42637640), (4, 21318820), (5, 17055056), (8, 10659410), (10, 8527528), (16, 5329705), (20, 4263764), (40, 2131882), (80, 1065941)]