81100625

素因数分解:

$5^4\times {\mathrm{17}}^2\times {\mathrm{449}}^1$

素因数の和:503

約数の個数: 30

約数和(自身を含む): 107895150

約数和(自身を除く): 26794525

約数列:

[1, 5, 17, 25, 85, 125, 289, 425, 449, 625, 1445, 2125, 2245, 7225, 7633, 10625, 11225, 36125, 38165, 56125, 129761, 180625, 190825, 280625, 648805, 954125, 3244025, 4770625, 16220125, 81100625]

約数ペア:

[(1, 81100625), (5, 16220125), (17, 4770625), (25, 3244025), (85, 954125), (125, 648805), (289, 280625), (425, 190825), (449, 180625), (625, 129761), (1445, 56125), (2125, 38165), (2245, 36125), (7225, 11225), (7633, 10625)]