86751640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1627}}^1$

素因数の和:1712

約数の個数: 64

約数和(自身を含む): 206300160

約数和(自身を除く): 119548520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1627, 1720, 2666, 3254, 5332, 6508, 6665, 8135, 10664, 13016, 13330, 16270, 26660, 32540, 50437, 53320, 65080, 69961, 100874, 139922, 201748, 252185, 279844, 349805, 403496, 504370, 559688, 699610, 1008740, 1399220, 2017480, 2168791, 2798440, 4337582, 8675164, 10843955, 17350328, 21687910, 43375820, 86751640]

約数ペア:

[(1, 86751640), (2, 43375820), (4, 21687910), (5, 17350328), (8, 10843955), (10, 8675164), (20, 4337582), (31, 2798440), (40, 2168791), (43, 2017480), (62, 1399220), (86, 1008740), (124, 699610), (155, 559688), (172, 504370), (215, 403496), (248, 349805), (310, 279844), (344, 252185), (430, 201748), (620, 139922), (860, 100874), (1240, 69961), (1333, 65080), (1627, 53320), (1720, 50437), (2666, 32540), (3254, 26660), (5332, 16270), (6508, 13330), (6665, 13016), (8135, 10664)]