31976720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9749}}^1$

素因数の和:9803

約数の個数: 40

約数和(自身を含む): 76167000

約数和(自身を除く): 44190280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 9749, 19498, 38996, 48745, 77992, 97490, 155984, 194980, 389960, 399709, 779920, 799418, 1598836, 1998545, 3197672, 3997090, 6395344, 7994180, 15988360, 31976720]

約数ペア:

[(1, 31976720), (2, 15988360), (4, 7994180), (5, 6395344), (8, 3997090), (10, 3197672), (16, 1998545), (20, 1598836), (40, 799418), (41, 779920), (80, 399709), (82, 389960), (164, 194980), (205, 155984), (328, 97490), (410, 77992), (656, 48745), (820, 38996), (1640, 19498), (3280, 9749)]