25002770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2161}}^1$

素因数の和:2270

約数の個数: 32

約数和(自身を含む): 49034160

約数和(自身を除く): 24031390

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2161, 2314, 4322, 5785, 10805, 11570, 21610, 28093, 56186, 140465, 192329, 280930, 384658, 961645, 1923290, 2500277, 5000554, 12501385, 25002770]

約数ペア:

[(1, 25002770), (2, 12501385), (5, 5000554), (10, 2500277), (13, 1923290), (26, 961645), (65, 384658), (89, 280930), (130, 192329), (178, 140465), (445, 56186), (890, 28093), (1157, 21610), (2161, 11570), (2314, 10805), (4322, 5785)]