7220560

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2099}}^1$

素因数の和:2155

約数の個数: 40

約数和(自身を含む): 17186400

約数和(自身を除く): 9965840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2099, 3440, 4198, 8396, 10495, 16792, 20990, 33584, 41980, 83960, 90257, 167920, 180514, 361028, 451285, 722056, 902570, 1444112, 1805140, 3610280, 7220560]

約数ペア:

[(1, 7220560), (2, 3610280), (4, 1805140), (5, 1444112), (8, 902570), (10, 722056), (16, 451285), (20, 361028), (40, 180514), (43, 167920), (80, 90257), (86, 83960), (172, 41980), (215, 33584), (344, 20990), (430, 16792), (688, 10495), (860, 8396), (1720, 4198), (2099, 3440)]