90730040

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{4337}}^1$

素因数の和:4871

約数の個数: 32

約数和(自身を含む): 204580080

約数和(自身を除く): 113850040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4184, 4337, 5230, 8674, 10460, 17348, 20920, 21685, 34696, 43370, 86740, 173480, 2268251, 4536502, 9073004, 11341255, 18146008, 22682510, 45365020, 90730040]

約数ペア:

[(1, 90730040), (2, 45365020), (4, 22682510), (5, 18146008), (8, 11341255), (10, 9073004), (20, 4536502), (40, 2268251), (523, 173480), (1046, 86740), (2092, 43370), (2615, 34696), (4184, 21685), (4337, 20920), (5230, 17348), (8674, 10460)]