51526960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 125706240

約数和(自身を除く): 74179280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 79, 80, 124, 155, 158, 248, 263, 310, 316, 395, 496, 526, 620, 632, 790, 1052, 1240, 1264, 1315, 1580, 2104, 2449, 2480, 2630, 3160, 4208, 4898, 5260, 6320, 8153, 9796, 10520, 12245, 16306, 19592, 20777, 21040, 24490, 32612, 39184, 40765, 41554, 48980, 65224, 81530, 83108, 97960, 103885, 130448, 163060, 166216, 195920, 207770, 326120, 332432, 415540, 644087, 652240, 831080, 1288174, 1662160, 2576348, 3220435, 5152696, 6440870, 10305392, 12881740, 25763480, 51526960]

約数ペア:

[(1, 51526960), (2, 25763480), (4, 12881740), (5, 10305392), (8, 6440870), (10, 5152696), (16, 3220435), (20, 2576348), (31, 1662160), (40, 1288174), (62, 831080), (79, 652240), (80, 644087), (124, 415540), (155, 332432), (158, 326120), (248, 207770), (263, 195920), (310, 166216), (316, 163060), (395, 130448), (496, 103885), (526, 97960), (620, 83108), (632, 81530), (790, 65224), (1052, 48980), (1240, 41554), (1264, 40765), (1315, 39184), (1580, 32612), (2104, 24490), (2449, 21040), (2480, 20777), (2630, 19592), (3160, 16306), (4208, 12245), (4898, 10520), (5260, 9796), (6320, 8153)]