56859640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20021}}^1$

素因数の和:20103

約数の個数: 32

約数和(自身を含む): 129742560

約数和(自身を除く): 72882920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 20021, 40042, 80084, 100105, 160168, 200210, 400420, 800840, 1421491, 2842982, 5685964, 7107455, 11371928, 14214910, 28429820, 56859640]

約数ペア:

[(1, 56859640), (2, 28429820), (4, 14214910), (5, 11371928), (8, 7107455), (10, 5685964), (20, 2842982), (40, 1421491), (71, 800840), (142, 400420), (284, 200210), (355, 160168), (568, 100105), (710, 80084), (1420, 40042), (2840, 20021)]