25340960

素因数分解:

$2^5\times 5^1\times {\mathrm{251}}^1\times {\mathrm{631}}^1$

素因数の和:897

約数の個数: 48

約数和(自身を含む): 60201792

約数和(自身を除く): 34860832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 251, 502, 631, 1004, 1255, 1262, 2008, 2510, 2524, 3155, 4016, 5020, 5048, 6310, 8032, 10040, 10096, 12620, 20080, 20192, 25240, 40160, 50480, 100960, 158381, 316762, 633524, 791905, 1267048, 1583810, 2534096, 3167620, 5068192, 6335240, 12670480, 25340960]

約数ペア:

[(1, 25340960), (2, 12670480), (4, 6335240), (5, 5068192), (8, 3167620), (10, 2534096), (16, 1583810), (20, 1267048), (32, 791905), (40, 633524), (80, 316762), (160, 158381), (251, 100960), (502, 50480), (631, 40160), (1004, 25240), (1255, 20192), (1262, 20080), (2008, 12620), (2510, 10096), (2524, 10040), (3155, 8032), (4016, 6310), (5020, 5048)]