13393640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 33264000

約数和(自身を除く): 19870360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 599, 860, 1118, 1198, 1720, 2236, 2396, 2795, 2995, 4472, 4792, 5590, 5990, 7787, 11180, 11980, 15574, 22360, 23960, 25757, 31148, 38935, 51514, 62296, 77870, 103028, 128785, 155740, 206056, 257570, 311480, 334841, 515140, 669682, 1030280, 1339364, 1674205, 2678728, 3348410, 6696820, 13393640]

約数ペア:

[(1, 13393640), (2, 6696820), (4, 3348410), (5, 2678728), (8, 1674205), (10, 1339364), (13, 1030280), (20, 669682), (26, 515140), (40, 334841), (43, 311480), (52, 257570), (65, 206056), (86, 155740), (104, 128785), (130, 103028), (172, 77870), (215, 62296), (260, 51514), (344, 38935), (430, 31148), (520, 25757), (559, 23960), (599, 22360), (860, 15574), (1118, 11980), (1198, 11180), (1720, 7787), (2236, 5990), (2396, 5590), (2795, 4792), (2995, 4472)]