25184020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9059}}^1$

素因数の和:9207

約数の個数: 24

約数和(自身を含む): 53272800

約数和(自身を除く): 28088780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 9059, 18118, 36236, 45295, 90590, 181180, 1259201, 2518402, 5036804, 6296005, 12592010, 25184020]

約数ペア:

[(1, 25184020), (2, 12592010), (4, 6296005), (5, 5036804), (10, 2518402), (20, 1259201), (139, 181180), (278, 90590), (556, 45295), (695, 36236), (1390, 18118), (2780, 9059)]