15855520

素因数分解:

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

素因数の和:2473

約数の個数: 48

約数和(自身を含む): 38388168

約数和(自身を除く): 22532648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 2417, 3280, 4834, 6560, 9668, 12085, 19336, 24170, 38672, 48340, 77344, 96680, 99097, 193360, 198194, 386720, 396388, 495485, 792776, 990970, 1585552, 1981940, 3171104, 3963880, 7927760, 15855520]

約数ペア:

[(1, 15855520), (2, 7927760), (4, 3963880), (5, 3171104), (8, 1981940), (10, 1585552), (16, 990970), (20, 792776), (32, 495485), (40, 396388), (41, 386720), (80, 198194), (82, 193360), (160, 99097), (164, 96680), (205, 77344), (328, 48340), (410, 38672), (656, 24170), (820, 19336), (1312, 12085), (1640, 9668), (2417, 6560), (3280, 4834)]