80928760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{953}}^1$

素因数の和:1168

約数の個数: 64

約数和(自身を含む): 199882080

約数和(自身を除く): 118953320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 193, 220, 386, 440, 772, 953, 965, 1544, 1906, 1930, 2123, 3812, 3860, 4246, 4765, 7624, 7720, 8492, 9530, 10483, 10615, 16984, 19060, 20966, 21230, 38120, 41932, 42460, 52415, 83864, 84920, 104830, 183929, 209660, 367858, 419320, 735716, 919645, 1471432, 1839290, 2023219, 3678580, 4046438, 7357160, 8092876, 10116095, 16185752, 20232190, 40464380, 80928760]

約数ペア:

[(1, 80928760), (2, 40464380), (4, 20232190), (5, 16185752), (8, 10116095), (10, 8092876), (11, 7357160), (20, 4046438), (22, 3678580), (40, 2023219), (44, 1839290), (55, 1471432), (88, 919645), (110, 735716), (193, 419320), (220, 367858), (386, 209660), (440, 183929), (772, 104830), (953, 84920), (965, 83864), (1544, 52415), (1906, 42460), (1930, 41932), (2123, 38120), (3812, 21230), (3860, 20966), (4246, 19060), (4765, 16984), (7624, 10615), (7720, 10483), (8492, 9530)]