168691480

素因数分解:

$2^3\times 5^1\times {\mathrm{4217287}}^1$

素因数の和:4217298

約数の個数: 16

約数和(自身を含む): 379555920

約数和(自身を除く): 210864440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4217287, 8434574, 16869148, 21086435, 33738296, 42172870, 84345740, 168691480]

約数ペア:

[(1, 168691480), (2, 84345740), (4, 42172870), (5, 33738296), (8, 21086435), (10, 16869148), (20, 8434574), (40, 4217287)]