25978625

素因数分解:

$5^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 32

約数和(自身を含む): 34358688

約数和(自身を除く): 8380063

約数列:

[1, 5, 25, 37, 41, 125, 137, 185, 205, 685, 925, 1025, 1517, 3425, 4625, 5069, 5125, 5617, 7585, 17125, 25345, 28085, 37925, 126725, 140425, 189625, 207829, 633625, 702125, 1039145, 5195725, 25978625]

約数ペア:

[(1, 25978625), (5, 5195725), (25, 1039145), (37, 702125), (41, 633625), (125, 207829), (137, 189625), (185, 140425), (205, 126725), (685, 37925), (925, 28085), (1025, 25345), (1517, 17125), (3425, 7585), (4625, 5617), (5069, 5125)]