25225850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{197}}^2$

素因数の和:419

約数の個数: 36

約数和(自身を含む): 50787114

約数和(自身を除く): 25561264

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 197, 325, 394, 650, 985, 1970, 2561, 4925, 5122, 9850, 12805, 25610, 38809, 64025, 77618, 128050, 194045, 388090, 504517, 970225, 1009034, 1940450, 2522585, 5045170, 12612925, 25225850]

約数ペア:

[(1, 25225850), (2, 12612925), (5, 5045170), (10, 2522585), (13, 1940450), (25, 1009034), (26, 970225), (50, 504517), (65, 388090), (130, 194045), (197, 128050), (325, 77618), (394, 64025), (650, 38809), (985, 25610), (1970, 12805), (2561, 9850), (4925, 5122)]