25222990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{773}}^1$

素因数の和:1044

約数の個数: 32

約数和(自身を含む): 49152096

約数和(自身を除く): 23929106

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 251, 502, 773, 1255, 1546, 2510, 3263, 3865, 6526, 7730, 10049, 16315, 20098, 32630, 50245, 100490, 194023, 388046, 970115, 1940230, 2522299, 5044598, 12611495, 25222990]

約数ペア:

[(1, 25222990), (2, 12611495), (5, 5044598), (10, 2522299), (13, 1940230), (26, 970115), (65, 388046), (130, 194023), (251, 100490), (502, 50245), (773, 32630), (1255, 20098), (1546, 16315), (2510, 10049), (3263, 7730), (3865, 6526)]