7927760

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2417}}^1$

素因数の和:2471

約数の個数: 40

約数和(自身を含む): 18889416

約数和(自身を除く): 10961656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 2417, 3280, 4834, 9668, 12085, 19336, 24170, 38672, 48340, 96680, 99097, 193360, 198194, 396388, 495485, 792776, 990970, 1585552, 1981940, 3963880, 7927760]

約数ペア:

[(1, 7927760), (2, 3963880), (4, 1981940), (5, 1585552), (8, 990970), (10, 792776), (16, 495485), (20, 396388), (40, 198194), (41, 193360), (80, 99097), (82, 96680), (164, 48340), (205, 38672), (328, 24170), (410, 19336), (656, 12085), (820, 9668), (1640, 4834), (2417, 3280)]