49628720

素因数分解:

$2^4\times 5^1\times {\mathrm{620359}}^1$

素因数の和:620372

約数の個数: 20

約数和(自身を含む): 115386960

約数和(自身を除く): 65758240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 620359, 1240718, 2481436, 3101795, 4962872, 6203590, 9925744, 12407180, 24814360, 49628720]

約数ペア:

[(1, 49628720), (2, 24814360), (4, 12407180), (5, 9925744), (8, 6203590), (10, 4962872), (16, 3101795), (20, 2481436), (40, 1240718), (80, 620359)]