25895740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{727}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 59072832

約数和(自身を除く): 33177092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 727, 1370, 1454, 1781, 2740, 2908, 3562, 3635, 7124, 7270, 8905, 9451, 14540, 17810, 18902, 35620, 37804, 47255, 94510, 99599, 189020, 199198, 398396, 497995, 995990, 1294787, 1991980, 2589574, 5179148, 6473935, 12947870, 25895740]

約数ペア:

[(1, 25895740), (2, 12947870), (4, 6473935), (5, 5179148), (10, 2589574), (13, 1991980), (20, 1294787), (26, 995990), (52, 497995), (65, 398396), (130, 199198), (137, 189020), (260, 99599), (274, 94510), (548, 47255), (685, 37804), (727, 35620), (1370, 18902), (1454, 17810), (1781, 14540), (2740, 9451), (2908, 8905), (3562, 7270), (3635, 7124)]