25763480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 60825600

約数和(自身を除く): 35062120

約数列:

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

約数ペア:

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