85918520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{30253}}^1$

素因数の和:30335

約数の個数: 32

約数和(自身を含む): 196045920

約数和(自身を除く): 110127400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 30253, 60506, 121012, 151265, 242024, 302530, 605060, 1210120, 2147963, 4295926, 8591852, 10739815, 17183704, 21479630, 42959260, 85918520]

約数ペア:

[(1, 85918520), (2, 42959260), (4, 21479630), (5, 17183704), (8, 10739815), (10, 8591852), (20, 4295926), (40, 2147963), (71, 1210120), (142, 605060), (284, 302530), (355, 242024), (568, 151265), (710, 121012), (1420, 60506), (2840, 30253)]