85962920

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{10909}}^1$

素因数の和:11117

約数の個数: 32

約数和(自身を含む): 194416200

約数和(自身を除く): 108453280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 10909, 21818, 43636, 54545, 87272, 109090, 218180, 436360, 2149073, 4298146, 8596292, 10745365, 17192584, 21490730, 42981460, 85962920]

約数ペア:

[(1, 85962920), (2, 42981460), (4, 21490730), (5, 17192584), (8, 10745365), (10, 8596292), (20, 4298146), (40, 2149073), (197, 436360), (394, 218180), (788, 109090), (985, 87272), (1576, 54545), (1970, 43636), (3940, 21818), (7880, 10909)]