79904660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1381}}^1$

素因数の和:1664

約数の個数: 48

約数和(自身を含む): 183883392

約数和(自身を除く): 103978732

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 263, 526, 1052, 1315, 1381, 2630, 2762, 2893, 5260, 5524, 5786, 6905, 11572, 13810, 14465, 15191, 27620, 28930, 30382, 57860, 60764, 75955, 151910, 303820, 363203, 726406, 1452812, 1816015, 3632030, 3995233, 7264060, 7990466, 15980932, 19976165, 39952330, 79904660]

約数ペア:

[(1, 79904660), (2, 39952330), (4, 19976165), (5, 15980932), (10, 7990466), (11, 7264060), (20, 3995233), (22, 3632030), (44, 1816015), (55, 1452812), (110, 726406), (220, 363203), (263, 303820), (526, 151910), (1052, 75955), (1315, 60764), (1381, 57860), (2630, 30382), (2762, 28930), (2893, 27620), (5260, 15191), (5524, 14465), (5786, 13810), (6905, 11572)]