1640398525

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{29411}}^1$

素因数の和:29541

約数の個数: 24

約数和(自身を含む): 2144487744

約数和(自身を除く): 504089219

約数列:

[1, 5, 23, 25, 97, 115, 485, 575, 2231, 2425, 11155, 29411, 55775, 147055, 676453, 735275, 2852867, 3382265, 14264335, 16911325, 65615941, 71321675, 328079705, 1640398525]

約数ペア:

[(1, 1640398525), (5, 328079705), (23, 71321675), (25, 65615941), (97, 16911325), (115, 14264335), (485, 3382265), (575, 2852867), (2231, 735275), (2425, 676453), (11155, 147055), (29411, 55775)]