8027240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 19958400

約数和(自身を除く): 11931160

約数列:

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

約数ペア:

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