25390690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11489}}^1$

素因数の和:11526

約数の個数: 32

約数和(自身を含む): 52118640

約数和(自身を除く): 26727950

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 11489, 22978, 57445, 114890, 149357, 195313, 298714, 390626, 746785, 976565, 1493570, 1953130, 2539069, 5078138, 12695345, 25390690]

約数ペア:

[(1, 25390690), (2, 12695345), (5, 5078138), (10, 2539069), (13, 1953130), (17, 1493570), (26, 976565), (34, 746785), (65, 390626), (85, 298714), (130, 195313), (170, 149357), (221, 114890), (442, 57445), (1105, 22978), (2210, 11489)]