13931140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 30425472

約数和(自身を除く): 16494332

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 97, 167, 172, 194, 215, 334, 388, 430, 485, 668, 835, 860, 970, 1670, 1940, 3340, 4171, 7181, 8342, 14362, 16199, 16684, 20855, 28724, 32398, 35905, 41710, 64796, 71810, 80995, 83420, 143620, 161990, 323980, 696557, 1393114, 2786228, 3482785, 6965570, 13931140]

約数ペア:

[(1, 13931140), (2, 6965570), (4, 3482785), (5, 2786228), (10, 1393114), (20, 696557), (43, 323980), (86, 161990), (97, 143620), (167, 83420), (172, 80995), (194, 71810), (215, 64796), (334, 41710), (388, 35905), (430, 32398), (485, 28724), (668, 20855), (835, 16684), (860, 16199), (970, 14362), (1670, 8342), (1940, 7181), (3340, 4171)]