1585040

素因数分解:

$2^4\times 5^1\times {\mathrm{19813}}^1$

素因数の和:19826

約数の個数: 20

約数和(自身を含む): 3685404

約数和(自身を除く): 2100364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 19813, 39626, 79252, 99065, 158504, 198130, 317008, 396260, 792520, 1585040]

約数ペア:

[(1, 1585040), (2, 792520), (4, 396260), (5, 317008), (8, 198130), (10, 158504), (16, 99065), (20, 79252), (40, 39626), (80, 19813)]