28904380

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{6311}}^1$

素因数の和:6549

約数の個数: 24

約数和(自身を含む): 60973920

約数和(自身を除く): 32069540

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 6311, 12622, 25244, 31555, 63110, 126220, 1445219, 2890438, 5780876, 7226095, 14452190, 28904380]

約数ペア:

[(1, 28904380), (2, 14452190), (4, 7226095), (5, 5780876), (10, 2890438), (20, 1445219), (229, 126220), (458, 63110), (916, 31555), (1145, 25244), (2290, 12622), (4580, 6311)]