25997225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 34224000

約数和(自身を除く): 8226775

約数列:

[1, 5, 19, 25, 95, 229, 239, 475, 1145, 1195, 4351, 4541, 5725, 5975, 21755, 22705, 54731, 108775, 113525, 273655, 1039889, 1368275, 5199445, 25997225]

約数ペア:

[(1, 25997225), (5, 5199445), (19, 1368275), (25, 1039889), (95, 273655), (229, 113525), (239, 108775), (475, 54731), (1145, 22705), (1195, 21755), (4351, 5975), (4541, 5725)]