40039120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:460

約数の個数: 80

約数和(自身を含む): 102529152

約数和(自身を除く): 62490032

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 173, 176, 220, 263, 346, 440, 526, 692, 865, 880, 1052, 1315, 1384, 1730, 1903, 2104, 2630, 2768, 2893, 3460, 3806, 4208, 5260, 5786, 6920, 7612, 9515, 10520, 11572, 13840, 14465, 15224, 19030, 21040, 23144, 28930, 30448, 38060, 45499, 46288, 57860, 76120, 90998, 115720, 152240, 181996, 227495, 231440, 363992, 454990, 500489, 727984, 909980, 1000978, 1819960, 2001956, 2502445, 3639920, 4003912, 5004890, 8007824, 10009780, 20019560, 40039120]

約数ペア:

[(1, 40039120), (2, 20019560), (4, 10009780), (5, 8007824), (8, 5004890), (10, 4003912), (11, 3639920), (16, 2502445), (20, 2001956), (22, 1819960), (40, 1000978), (44, 909980), (55, 727984), (80, 500489), (88, 454990), (110, 363992), (173, 231440), (176, 227495), (220, 181996), (263, 152240), (346, 115720), (440, 90998), (526, 76120), (692, 57860), (865, 46288), (880, 45499), (1052, 38060), (1315, 30448), (1384, 28930), (1730, 23144), (1903, 21040), (2104, 19030), (2630, 15224), (2768, 14465), (2893, 13840), (3460, 11572), (3806, 10520), (4208, 9515), (5260, 7612), (5786, 6920)]