25410590

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 46781280

約数和(自身を除く): 21370690

約数列:

[1, 2, 5, 10, 101, 139, 181, 202, 278, 362, 505, 695, 905, 1010, 1390, 1810, 14039, 18281, 25159, 28078, 36562, 50318, 70195, 91405, 125795, 140390, 182810, 251590, 2541059, 5082118, 12705295, 25410590]

約数ペア:

[(1, 25410590), (2, 12705295), (5, 5082118), (10, 2541059), (101, 251590), (139, 182810), (181, 140390), (202, 125795), (278, 91405), (362, 70195), (505, 50318), (695, 36562), (905, 28078), (1010, 25159), (1390, 18281), (1810, 14039)]