57161380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{69709}}^1$

素因数の和:69759

約数の個数: 24

約数和(自身を含む): 122968440

約数和(自身を除く): 65807060

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 69709, 139418, 278836, 348545, 697090, 1394180, 2858069, 5716138, 11432276, 14290345, 28580690, 57161380]

約数ペア:

[(1, 57161380), (2, 28580690), (4, 14290345), (5, 11432276), (10, 5716138), (20, 2858069), (41, 1394180), (82, 697090), (164, 348545), (205, 278836), (410, 139418), (820, 69709)]