80243680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{359}}^1$

素因数の和:512

約数の個数: 96

約数和(自身を含む): 209018880

約数和(自身を除く): 128775200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 127, 160, 176, 220, 254, 352, 359, 440, 508, 635, 718, 880, 1016, 1270, 1397, 1436, 1760, 1795, 2032, 2540, 2794, 2872, 3590, 3949, 4064, 5080, 5588, 5744, 6985, 7180, 7898, 10160, 11176, 11488, 13970, 14360, 15796, 19745, 20320, 22352, 27940, 28720, 31592, 39490, 44704, 45593, 55880, 57440, 63184, 78980, 91186, 111760, 126368, 157960, 182372, 223520, 227965, 315920, 364744, 455930, 501523, 631840, 729488, 911860, 1003046, 1458976, 1823720, 2006092, 2507615, 3647440, 4012184, 5015230, 7294880, 8024368, 10030460, 16048736, 20060920, 40121840, 80243680]

約数ペア:

[(1, 80243680), (2, 40121840), (4, 20060920), (5, 16048736), (8, 10030460), (10, 8024368), (11, 7294880), (16, 5015230), (20, 4012184), (22, 3647440), (32, 2507615), (40, 2006092), (44, 1823720), (55, 1458976), (80, 1003046), (88, 911860), (110, 729488), (127, 631840), (160, 501523), (176, 455930), (220, 364744), (254, 315920), (352, 227965), (359, 223520), (440, 182372), (508, 157960), (635, 126368), (718, 111760), (880, 91186), (1016, 78980), (1270, 63184), (1397, 57440), (1436, 55880), (1760, 45593), (1795, 44704), (2032, 39490), (2540, 31592), (2794, 28720), (2872, 27940), (3590, 22352), (3949, 20320), (4064, 19745), (5080, 15796), (5588, 14360), (5744, 13970), (6985, 11488), (7180, 11176), (7898, 10160)]