2171480

素因数分解:

$2^3\times 5^1\times {\mathrm{54287}}^1$

素因数の和:54298

約数の個数: 16

約数和(自身を含む): 4885920

約数和(自身を除く): 2714440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 54287, 108574, 217148, 271435, 434296, 542870, 1085740, 2171480]

約数ペア:

[(1, 2171480), (2, 1085740), (4, 542870), (5, 434296), (8, 271435), (10, 217148), (20, 108574), (40, 54287)]