16054480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 41247360

約数和(自身を除く): 25192880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 359, 430, 520, 559, 688, 718, 860, 1040, 1118, 1436, 1720, 1795, 2236, 2795, 2872, 3440, 3590, 4472, 4667, 5590, 5744, 7180, 8944, 9334, 11180, 14360, 15437, 18668, 22360, 23335, 28720, 30874, 37336, 44720, 46670, 61748, 74672, 77185, 93340, 123496, 154370, 186680, 200681, 246992, 308740, 373360, 401362, 617480, 802724, 1003405, 1234960, 1605448, 2006810, 3210896, 4013620, 8027240, 16054480]

約数ペア:

[(1, 16054480), (2, 8027240), (4, 4013620), (5, 3210896), (8, 2006810), (10, 1605448), (13, 1234960), (16, 1003405), (20, 802724), (26, 617480), (40, 401362), (43, 373360), (52, 308740), (65, 246992), (80, 200681), (86, 186680), (104, 154370), (130, 123496), (172, 93340), (208, 77185), (215, 74672), (260, 61748), (344, 46670), (359, 44720), (430, 37336), (520, 30874), (559, 28720), (688, 23335), (718, 22360), (860, 18668), (1040, 15437), (1118, 14360), (1436, 11180), (1720, 9334), (1795, 8944), (2236, 7180), (2795, 5744), (2872, 5590), (3440, 4667), (3590, 4472)]