25709090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12301}}^1$

素因数の和:12338

約数の個数: 32

約数和(自身を含む): 53144640

約数和(自身を除く): 27435550

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 12301, 24602, 61505, 123010, 135311, 233719, 270622, 467438, 676555, 1168595, 1353110, 2337190, 2570909, 5141818, 12854545, 25709090]

約数ペア:

[(1, 25709090), (2, 12854545), (5, 5141818), (10, 2570909), (11, 2337190), (19, 1353110), (22, 1168595), (38, 676555), (55, 467438), (95, 270622), (110, 233719), (190, 135311), (209, 123010), (418, 61505), (1045, 24602), (2090, 12301)]