172544080

素因数分解:

$2^4\times 5^1\times {\mathrm{2156801}}^1$

素因数の和:2156814

約数の個数: 20

約数和(自身を含む): 401165172

約数和(自身を除く): 228621092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2156801, 4313602, 8627204, 10784005, 17254408, 21568010, 34508816, 43136020, 86272040, 172544080]

約数ペア:

[(1, 172544080), (2, 86272040), (4, 43136020), (5, 34508816), (8, 21568010), (10, 17254408), (16, 10784005), (20, 8627204), (40, 4313602), (80, 2156801)]