42930920

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 99731520

約数和(自身を除く): 56800600

約数列:

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

約数ペア:

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