420737776

素因数分解:

$2^4\times {\mathrm{2609}}^1\times {\mathrm{10079}}^1$

素因数の和:12696

約数の個数: 20

約数和(自身を含む): 815572800

約数和(自身を除く): 394835024

約数列:

[1, 2, 4, 8, 16, 2609, 5218, 10079, 10436, 20158, 20872, 40316, 41744, 80632, 161264, 26296111, 52592222, 105184444, 210368888, 420737776]

約数ペア:

[(1, 420737776), (2, 210368888), (4, 105184444), (8, 52592222), (16, 26296111), (2609, 161264), (5218, 80632), (10079, 41744), (10436, 40316), (20158, 20872)]