25715815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 34401024

約数和(自身を除く): 8685209

約数列:

[1, 5, 17, 41, 47, 85, 157, 205, 235, 697, 785, 799, 1927, 2669, 3485, 3995, 6437, 7379, 9635, 13345, 32185, 32759, 36895, 109429, 125443, 163795, 302539, 547145, 627215, 1512695, 5143163, 25715815]

約数ペア:

[(1, 25715815), (5, 5143163), (17, 1512695), (41, 627215), (47, 547145), (85, 302539), (157, 163795), (205, 125443), (235, 109429), (697, 36895), (785, 32759), (799, 32185), (1927, 13345), (2669, 9635), (3485, 7379), (3995, 6437)]