12896560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 32212224

約数和(自身を除く): 19315664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 43, 46, 80, 86, 92, 115, 163, 172, 184, 215, 230, 326, 344, 368, 430, 460, 652, 688, 815, 860, 920, 989, 1304, 1630, 1720, 1840, 1978, 2608, 3260, 3440, 3749, 3956, 4945, 6520, 7009, 7498, 7912, 9890, 13040, 14018, 14996, 15824, 18745, 19780, 28036, 29992, 35045, 37490, 39560, 56072, 59984, 70090, 74980, 79120, 112144, 140180, 149960, 161207, 280360, 299920, 322414, 560720, 644828, 806035, 1289656, 1612070, 2579312, 3224140, 6448280, 12896560]

約数ペア:

[(1, 12896560), (2, 6448280), (4, 3224140), (5, 2579312), (8, 1612070), (10, 1289656), (16, 806035), (20, 644828), (23, 560720), (40, 322414), (43, 299920), (46, 280360), (80, 161207), (86, 149960), (92, 140180), (115, 112144), (163, 79120), (172, 74980), (184, 70090), (215, 59984), (230, 56072), (326, 39560), (344, 37490), (368, 35045), (430, 29992), (460, 28036), (652, 19780), (688, 18745), (815, 15824), (860, 14996), (920, 14018), (989, 13040), (1304, 9890), (1630, 7912), (1720, 7498), (1840, 7009), (1978, 6520), (2608, 4945), (3260, 3956), (3440, 3749)]