12251980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47123}}^1$

素因数の和:47145

約数の個数: 24

約数和(自身を含む): 27708912

約数和(自身を除く): 15456932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 47123, 94246, 188492, 235615, 471230, 612599, 942460, 1225198, 2450396, 3062995, 6125990, 12251980]

約数ペア:

[(1, 12251980), (2, 6125990), (4, 3062995), (5, 2450396), (10, 1225198), (13, 942460), (20, 612599), (26, 471230), (52, 235615), (65, 188492), (130, 94246), (260, 47123)]