71088520

素因数分解:

$2^3\times 5^1\times {\mathrm{1777213}}^1$

素因数の和:1777224

約数の個数: 16

約数和(自身を含む): 159949260

約数和(自身を除く): 88860740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1777213, 3554426, 7108852, 8886065, 14217704, 17772130, 35544260, 71088520]

約数ペア:

[(1, 71088520), (2, 35544260), (4, 17772130), (5, 14217704), (8, 8886065), (10, 7108852), (20, 3554426), (40, 1777213)]