15988360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9749}}^1$

素因数の和:9801

約数の個数: 32

約数和(自身を含む): 36855000

約数和(自身を除く): 20866640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 9749, 19498, 38996, 48745, 77992, 97490, 194980, 389960, 399709, 799418, 1598836, 1998545, 3197672, 3997090, 7994180, 15988360]

約数ペア:

[(1, 15988360), (2, 7994180), (4, 3997090), (5, 3197672), (8, 1998545), (10, 1598836), (20, 799418), (40, 399709), (41, 389960), (82, 194980), (164, 97490), (205, 77992), (328, 48745), (410, 38996), (820, 19498), (1640, 9749)]