157027480

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{40471}}^1$

素因数の和:40579

約数の個数: 32

約数和(自身を含む): 356963040

約数和(自身を除く): 199935560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 40471, 80942, 161884, 202355, 323768, 404710, 809420, 1618840, 3925687, 7851374, 15702748, 19628435, 31405496, 39256870, 78513740, 157027480]

約数ペア:

[(1, 157027480), (2, 78513740), (4, 39256870), (5, 31405496), (8, 19628435), (10, 15702748), (20, 7851374), (40, 3925687), (97, 1618840), (194, 809420), (388, 404710), (485, 323768), (776, 202355), (970, 161884), (1940, 80942), (3880, 40471)]