40491664

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{19927}}^1$

素因数の和:20062

約数の個数: 20

約数和(自身を含む): 79074304

約数和(自身を除く): 38582640

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 19927, 39854, 79708, 159416, 318832, 2530729, 5061458, 10122916, 20245832, 40491664]

約数ペア:

[(1, 40491664), (2, 20245832), (4, 10122916), (8, 5061458), (16, 2530729), (127, 318832), (254, 159416), (508, 79708), (1016, 39854), (2032, 19927)]