65375225

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 83214912

約数和(自身を除く): 17839687

約数列:

[1, 5, 25, 61, 163, 263, 305, 815, 1315, 1525, 4075, 6575, 9943, 16043, 42869, 49715, 80215, 214345, 248575, 401075, 1071725, 2615009, 13075045, 65375225]

約数ペア:

[(1, 65375225), (5, 13075045), (25, 2615009), (61, 1071725), (163, 401075), (263, 248575), (305, 214345), (815, 80215), (1315, 49715), (1525, 42869), (4075, 16043), (6575, 9943)]