2018064080

素因数分解:

$2^4\times 5^1\times {\mathrm{25225801}}^1$

素因数の和:25225814

約数の個数: 20

約数和(自身を含む): 4691999172

約数和(自身を除く): 2673935092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25225801, 50451602, 100903204, 126129005, 201806408, 252258010, 403612816, 504516020, 1009032040, 2018064080]

約数ペア:

[(1, 2018064080), (2, 1009032040), (4, 504516020), (5, 403612816), (8, 252258010), (10, 201806408), (16, 126129005), (20, 100903204), (40, 50451602), (80, 25225801)]