40816040

素因数分解:

$2^3\times 5^1\times {\mathrm{1020401}}^1$

素因数の和:1020412

約数の個数: 16

約数和(自身を含む): 91836180

約数和(自身を除く): 51020140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1020401, 2040802, 4081604, 5102005, 8163208, 10204010, 20408020, 40816040]

約数ペア:

[(1, 40816040), (2, 20408020), (4, 10204010), (5, 8163208), (8, 5102005), (10, 4081604), (20, 2040802), (40, 1020401)]