12420920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{587}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 29264760

約数和(自身を除く): 16843840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 529, 587, 920, 1058, 1174, 2116, 2348, 2645, 2935, 4232, 4696, 5290, 5870, 10580, 11740, 13501, 21160, 23480, 27002, 54004, 67505, 108008, 135010, 270020, 310523, 540040, 621046, 1242092, 1552615, 2484184, 3105230, 6210460, 12420920]

約数ペア:

[(1, 12420920), (2, 6210460), (4, 3105230), (5, 2484184), (8, 1552615), (10, 1242092), (20, 621046), (23, 540040), (40, 310523), (46, 270020), (92, 135010), (115, 108008), (184, 67505), (230, 54004), (460, 27002), (529, 23480), (587, 21160), (920, 13501), (1058, 11740), (1174, 10580), (2116, 5870), (2348, 5290), (2645, 4696), (2935, 4232)]