66138680

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{9901}}^1$

素因数の和:10079

約数の個数: 32

約数和(自身を含む): 149718240

約数和(自身を除く): 83579560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 9901, 19802, 39604, 49505, 79208, 99010, 198020, 396040, 1653467, 3306934, 6613868, 8267335, 13227736, 16534670, 33069340, 66138680]

約数ペア:

[(1, 66138680), (2, 33069340), (4, 16534670), (5, 13227736), (8, 8267335), (10, 6613868), (20, 3306934), (40, 1653467), (167, 396040), (334, 198020), (668, 99010), (835, 79208), (1336, 49505), (1670, 39604), (3340, 19802), (6680, 9901)]