40127930

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1009}}^1$

素因数の和:1154

約数の個数: 32

約数和(自身を含む): 74828880

約数和(自身を除く): 34700950

約数列:

[1, 2, 5, 10, 41, 82, 97, 194, 205, 410, 485, 970, 1009, 2018, 3977, 5045, 7954, 10090, 19885, 39770, 41369, 82738, 97873, 195746, 206845, 413690, 489365, 978730, 4012793, 8025586, 20063965, 40127930]

約数ペア:

[(1, 40127930), (2, 20063965), (5, 8025586), (10, 4012793), (41, 978730), (82, 489365), (97, 413690), (194, 206845), (205, 195746), (410, 97873), (485, 82738), (970, 41369), (1009, 39770), (2018, 19885), (3977, 10090), (5045, 7954)]