19600025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 25712640

約数和(自身を除く): 6112615

約数列:

[1, 5, 23, 25, 89, 115, 383, 445, 575, 1915, 2047, 2225, 8809, 9575, 10235, 34087, 44045, 51175, 170435, 220225, 784001, 852175, 3920005, 19600025]

約数ペア:

[(1, 19600025), (5, 3920005), (23, 852175), (25, 784001), (89, 220225), (115, 170435), (383, 51175), (445, 44045), (575, 34087), (1915, 10235), (2047, 9575), (2225, 8809)]