84317840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:376

約数の個数: 80

約数和(自身を含む): 203225088

約数和(自身を除く): 118907248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 127, 172, 193, 215, 254, 344, 386, 430, 508, 635, 688, 772, 860, 965, 1016, 1270, 1544, 1720, 1930, 2032, 2540, 3088, 3440, 3860, 5080, 5461, 7720, 8299, 10160, 10922, 15440, 16598, 21844, 24511, 27305, 33196, 41495, 43688, 49022, 54610, 66392, 82990, 87376, 98044, 109220, 122555, 132784, 165980, 196088, 218440, 245110, 331960, 392176, 436880, 490220, 663920, 980440, 1053973, 1960880, 2107946, 4215892, 5269865, 8431784, 10539730, 16863568, 21079460, 42158920, 84317840]

約数ペア:

[(1, 84317840), (2, 42158920), (4, 21079460), (5, 16863568), (8, 10539730), (10, 8431784), (16, 5269865), (20, 4215892), (40, 2107946), (43, 1960880), (80, 1053973), (86, 980440), (127, 663920), (172, 490220), (193, 436880), (215, 392176), (254, 331960), (344, 245110), (386, 218440), (430, 196088), (508, 165980), (635, 132784), (688, 122555), (772, 109220), (860, 98044), (965, 87376), (1016, 82990), (1270, 66392), (1544, 54610), (1720, 49022), (1930, 43688), (2032, 41495), (2540, 33196), (3088, 27305), (3440, 24511), (3860, 21844), (5080, 16598), (5461, 15440), (7720, 10922), (8299, 10160)]