130088720

素因数分解:

$2^4\times 5^1\times {\mathrm{1626109}}^1$

素因数の和:1626122

約数の個数: 20

約数和(自身を含む): 302456460

約数和(自身を除く): 172367740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1626109, 3252218, 6504436, 8130545, 13008872, 16261090, 26017744, 32522180, 65044360, 130088720]

約数ペア:

[(1, 130088720), (2, 65044360), (4, 32522180), (5, 26017744), (8, 16261090), (10, 13008872), (16, 8130545), (20, 6504436), (40, 3252218), (80, 1626109)]