90713960

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{8623}}^1$

素因数の和:8897

約数の個数: 32

約数和(自身を含む): 204906240

約数和(自身を除く): 114192280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 8623, 10520, 17246, 34492, 43115, 68984, 86230, 172460, 344920, 2267849, 4535698, 9071396, 11339245, 18142792, 22678490, 45356980, 90713960]

約数ペア:

[(1, 90713960), (2, 45356980), (4, 22678490), (5, 18142792), (8, 11339245), (10, 9071396), (20, 4535698), (40, 2267849), (263, 344920), (526, 172460), (1052, 86230), (1315, 68984), (2104, 43115), (2630, 34492), (5260, 17246), (8623, 10520)]