1320004225

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{12503}}^1$

素因数の和:12657

約数の個数: 24

約数和(自身を含む): 1693141632

約数和(自身を除く): 373137407

約数列:

[1, 5, 25, 41, 103, 205, 515, 1025, 2575, 4223, 12503, 21115, 62515, 105575, 312575, 512623, 1287809, 2563115, 6439045, 12815575, 32195225, 52800169, 264000845, 1320004225]

約数ペア:

[(1, 1320004225), (5, 264000845), (25, 52800169), (41, 32195225), (103, 12815575), (205, 6439045), (515, 2563115), (1025, 1287809), (2575, 512623), (4223, 312575), (12503, 105575), (21115, 62515)]