25187728

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{19927}}^1$

素因数の和:20014

約数の個数: 20

約数和(自身を含む): 49421440

約数和(自身を除く): 24233712

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 19927, 39854, 79708, 159416, 318832, 1574233, 3148466, 6296932, 12593864, 25187728]

約数ペア:

[(1, 25187728), (2, 12593864), (4, 6296932), (8, 3148466), (16, 1574233), (79, 318832), (158, 159416), (316, 79708), (632, 39854), (1264, 19927)]