90157040

素因数分解:

$2^4\times 5^1\times {\mathrm{1126963}}^1$

素因数の和:1126976

約数の個数: 20

約数和(自身を含む): 209615304

約数和(自身を除く): 119458264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1126963, 2253926, 4507852, 5634815, 9015704, 11269630, 18031408, 22539260, 45078520, 90157040]

約数ペア:

[(1, 90157040), (2, 45078520), (4, 22539260), (5, 18031408), (8, 11269630), (10, 9015704), (16, 5634815), (20, 4507852), (40, 2253926), (80, 1126963)]