66378680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{57223}}^1$

素因数の和:57263

約数の個数: 32

約数和(自身を含む): 154504800

約数和(自身を除く): 88126120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 57223, 114446, 228892, 286115, 457784, 572230, 1144460, 1659467, 2288920, 3318934, 6637868, 8297335, 13275736, 16594670, 33189340, 66378680]

約数ペア:

[(1, 66378680), (2, 33189340), (4, 16594670), (5, 13275736), (8, 8297335), (10, 6637868), (20, 3318934), (29, 2288920), (40, 1659467), (58, 1144460), (116, 572230), (145, 457784), (232, 286115), (290, 228892), (580, 114446), (1160, 57223)]