84488720

素因数分解:

$2^4\times 5^1\times {\mathrm{1056109}}^1$

素因数の和:1056122

約数の個数: 20

約数和(自身を含む): 196436460

約数和(自身を除く): 111947740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1056109, 2112218, 4224436, 5280545, 8448872, 10561090, 16897744, 21122180, 42244360, 84488720]

約数ペア:

[(1, 84488720), (2, 42244360), (4, 21122180), (5, 16897744), (8, 10561090), (10, 8448872), (16, 5280545), (20, 4224436), (40, 2112218), (80, 1056109)]