78662960

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20921}}^1$

素因数の和:20981

約数の個数: 40

約数和(自身を含む): 186791616

約数和(自身を除く): 108128656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 20921, 41842, 83684, 104605, 167368, 209210, 334736, 418420, 836840, 983287, 1673680, 1966574, 3933148, 4916435, 7866296, 9832870, 15732592, 19665740, 39331480, 78662960]

約数ペア:

[(1, 78662960), (2, 39331480), (4, 19665740), (5, 15732592), (8, 9832870), (10, 7866296), (16, 4916435), (20, 3933148), (40, 1966574), (47, 1673680), (80, 983287), (94, 836840), (188, 418420), (235, 334736), (376, 209210), (470, 167368), (752, 104605), (940, 83684), (1880, 41842), (3760, 20921)]