40826890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{617}}^1$

素因数の和:1146

約数の個数: 32

約数和(自身を含む): 79425360

約数和(自身を除く): 38598470

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 509, 617, 1018, 1234, 2545, 3085, 5090, 6170, 6617, 8021, 13234, 16042, 33085, 40105, 66170, 80210, 314053, 628106, 1570265, 3140530, 4082689, 8165378, 20413445, 40826890]

約数ペア:

[(1, 40826890), (2, 20413445), (5, 8165378), (10, 4082689), (13, 3140530), (26, 1570265), (65, 628106), (130, 314053), (509, 80210), (617, 66170), (1018, 40105), (1234, 33085), (2545, 16042), (3085, 13234), (5090, 8021), (6170, 6617)]