85820180

素因数分解:

$2^2\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{4211}}^1$

素因数の和:5239

約数の個数: 24

約数和(自身を含む): 180442080

約数和(自身を除く): 94621900

約数列:

[1, 2, 4, 5, 10, 20, 1019, 2038, 4076, 4211, 5095, 8422, 10190, 16844, 20380, 21055, 42110, 84220, 4291009, 8582018, 17164036, 21455045, 42910090, 85820180]

約数ペア:

[(1, 85820180), (2, 42910090), (4, 21455045), (5, 17164036), (10, 8582018), (20, 4291009), (1019, 84220), (2038, 42110), (4076, 21055), (4211, 20380), (5095, 16844), (8422, 10190)]