4997680

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{349}}^1$

素因数の和:541

約数の個数: 40

約数和(自身を含む): 11718000

約数和(自身を除く): 6720320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 349, 358, 698, 716, 895, 1396, 1432, 1745, 1790, 2792, 2864, 3490, 3580, 5584, 6980, 7160, 13960, 14320, 27920, 62471, 124942, 249884, 312355, 499768, 624710, 999536, 1249420, 2498840, 4997680]

約数ペア:

[(1, 4997680), (2, 2498840), (4, 1249420), (5, 999536), (8, 624710), (10, 499768), (16, 312355), (20, 249884), (40, 124942), (80, 62471), (179, 27920), (349, 14320), (358, 13960), (698, 7160), (716, 6980), (895, 5584), (1396, 3580), (1432, 3490), (1745, 2864), (1790, 2792)]