148438520

素因数分解:

$2^3\times 5^1\times {\mathrm{3710963}}^1$

素因数の和:3710974

約数の個数: 16

約数和(自身を含む): 333986760

約数和(自身を除く): 185548240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3710963, 7421926, 14843852, 18554815, 29687704, 37109630, 74219260, 148438520]

約数ペア:

[(1, 148438520), (2, 74219260), (4, 37109630), (5, 29687704), (8, 18554815), (10, 14843852), (20, 7421926), (40, 3710963)]