80986480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24691}}^1$

素因数の和:24745

約数の個数: 40

約数和(自身を含む): 192893904

約数和(自身を除く): 111907424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 24691, 49382, 98764, 123455, 197528, 246910, 395056, 493820, 987640, 1012331, 1975280, 2024662, 4049324, 5061655, 8098648, 10123310, 16197296, 20246620, 40493240, 80986480]

約数ペア:

[(1, 80986480), (2, 40493240), (4, 20246620), (5, 16197296), (8, 10123310), (10, 8098648), (16, 5061655), (20, 4049324), (40, 2024662), (41, 1975280), (80, 1012331), (82, 987640), (164, 493820), (205, 395056), (328, 246910), (410, 197528), (656, 123455), (820, 98764), (1640, 49382), (3280, 24691)]