80589820

素因数分解:

$2^2\times 5^1\times {\mathrm{1907}}^1\times {\mathrm{2113}}^1$

素因数の和:4029

約数の個数: 24

約数和(自身を含む): 169407504

約数和(自身を除く): 88817684

約数列:

[1, 2, 4, 5, 10, 20, 1907, 2113, 3814, 4226, 7628, 8452, 9535, 10565, 19070, 21130, 38140, 42260, 4029491, 8058982, 16117964, 20147455, 40294910, 80589820]

約数ペア:

[(1, 80589820), (2, 40294910), (4, 20147455), (5, 16117964), (10, 8058982), (20, 4029491), (1907, 42260), (2113, 38140), (3814, 21130), (4226, 19070), (7628, 10565), (8452, 9535)]