78513740

素因数分解:

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

素因数の和:40577

約数の個数: 24

約数和(自身を含む): 166582752

約数和(自身を除く): 88069012

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 40471, 80942, 161884, 202355, 404710, 809420, 3925687, 7851374, 15702748, 19628435, 39256870, 78513740]

約数ペア:

[(1, 78513740), (2, 39256870), (4, 19628435), (5, 15702748), (10, 7851374), (20, 3925687), (97, 809420), (194, 404710), (388, 202355), (485, 161884), (970, 80942), (1940, 40471)]