12485720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1847}}^1$

素因数の和:1884

約数の個数: 48

約数和(自身を含む): 30436560

約数和(自身を除く): 17950840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 1847, 3380, 3694, 6760, 7388, 9235, 14776, 18470, 24011, 36940, 48022, 73880, 96044, 120055, 192088, 240110, 312143, 480220, 624286, 960440, 1248572, 1560715, 2497144, 3121430, 6242860, 12485720]

約数ペア:

[(1, 12485720), (2, 6242860), (4, 3121430), (5, 2497144), (8, 1560715), (10, 1248572), (13, 960440), (20, 624286), (26, 480220), (40, 312143), (52, 240110), (65, 192088), (104, 120055), (130, 96044), (169, 73880), (260, 48022), (338, 36940), (520, 24011), (676, 18470), (845, 14776), (1352, 9235), (1690, 7388), (1847, 6760), (3380, 3694)]