85861840

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:356

約数の個数: 80

約数和(自身を含む): 206111808

約数和(自身を除く): 120249968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 83, 134, 166, 193, 268, 332, 335, 386, 415, 536, 664, 670, 772, 830, 965, 1072, 1328, 1340, 1544, 1660, 1930, 2680, 3088, 3320, 3860, 5360, 5561, 6640, 7720, 11122, 12931, 15440, 16019, 22244, 25862, 27805, 32038, 44488, 51724, 55610, 64076, 64655, 80095, 88976, 103448, 111220, 128152, 129310, 160190, 206896, 222440, 256304, 258620, 320380, 444880, 517240, 640760, 1034480, 1073273, 1281520, 2146546, 4293092, 5366365, 8586184, 10732730, 17172368, 21465460, 42930920, 85861840]

約数ペア:

[(1, 85861840), (2, 42930920), (4, 21465460), (5, 17172368), (8, 10732730), (10, 8586184), (16, 5366365), (20, 4293092), (40, 2146546), (67, 1281520), (80, 1073273), (83, 1034480), (134, 640760), (166, 517240), (193, 444880), (268, 320380), (332, 258620), (335, 256304), (386, 222440), (415, 206896), (536, 160190), (664, 129310), (670, 128152), (772, 111220), (830, 103448), (965, 88976), (1072, 80095), (1328, 64655), (1340, 64076), (1544, 55610), (1660, 51724), (1930, 44488), (2680, 32038), (3088, 27805), (3320, 25862), (3860, 22244), (5360, 16019), (5561, 15440), (6640, 12931), (7720, 11122)]