40390010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{212579}}^1$

素因数の和:212605

約数の個数: 16

約数和(自身を含む): 76528800

約数和(自身を除く): 36138790

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 212579, 425158, 1062895, 2125790, 4039001, 8078002, 20195005, 40390010]

約数ペア:

[(1, 40390010), (2, 20195005), (5, 8078002), (10, 4039001), (19, 2125790), (38, 1062895), (95, 425158), (190, 212579)]