12219740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1093}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 28303968

約数和(自身を除く): 16084228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1093, 1118, 2186, 2236, 2795, 4372, 5465, 5590, 10930, 11180, 14209, 21860, 28418, 46999, 56836, 71045, 93998, 142090, 187996, 234995, 284180, 469990, 610987, 939980, 1221974, 2443948, 3054935, 6109870, 12219740]

約数ペア:

[(1, 12219740), (2, 6109870), (4, 3054935), (5, 2443948), (10, 1221974), (13, 939980), (20, 610987), (26, 469990), (43, 284180), (52, 234995), (65, 187996), (86, 142090), (130, 93998), (172, 71045), (215, 56836), (260, 46999), (430, 28418), (559, 21860), (860, 14209), (1093, 11180), (1118, 10930), (2186, 5590), (2236, 5465), (2795, 4372)]