80309680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{347}}^1$

素因数の和:634

約数の個数: 80

約数和(自身を含む): 205058304

約数和(自身を除く): 124748624

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 263, 347, 440, 526, 694, 880, 1052, 1315, 1388, 1735, 2104, 2630, 2776, 2893, 3470, 3817, 4208, 5260, 5552, 5786, 6940, 7634, 10520, 11572, 13880, 14465, 15268, 19085, 21040, 23144, 27760, 28930, 30536, 38170, 46288, 57860, 61072, 76340, 91261, 115720, 152680, 182522, 231440, 305360, 365044, 456305, 730088, 912610, 1003871, 1460176, 1825220, 2007742, 3650440, 4015484, 5019355, 7300880, 8030968, 10038710, 16061936, 20077420, 40154840, 80309680]

約数ペア:

[(1, 80309680), (2, 40154840), (4, 20077420), (5, 16061936), (8, 10038710), (10, 8030968), (11, 7300880), (16, 5019355), (20, 4015484), (22, 3650440), (40, 2007742), (44, 1825220), (55, 1460176), (80, 1003871), (88, 912610), (110, 730088), (176, 456305), (220, 365044), (263, 305360), (347, 231440), (440, 182522), (526, 152680), (694, 115720), (880, 91261), (1052, 76340), (1315, 61072), (1388, 57860), (1735, 46288), (2104, 38170), (2630, 30536), (2776, 28930), (2893, 27760), (3470, 23144), (3817, 21040), (4208, 19085), (5260, 15268), (5552, 14465), (5786, 13880), (6940, 11572), (7634, 10520)]