12652240

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1777}}^1$

素因数の和:1879

約数の個数: 40

約数和(自身を含む): 29763720

約数和(自身を除く): 17111480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1777, 1780, 3554, 3560, 7108, 7120, 8885, 14216, 17770, 28432, 35540, 71080, 142160, 158153, 316306, 632612, 790765, 1265224, 1581530, 2530448, 3163060, 6326120, 12652240]

約数ペア:

[(1, 12652240), (2, 6326120), (4, 3163060), (5, 2530448), (8, 1581530), (10, 1265224), (16, 790765), (20, 632612), (40, 316306), (80, 158153), (89, 142160), (178, 71080), (356, 35540), (445, 28432), (712, 17770), (890, 14216), (1424, 8885), (1777, 7120), (1780, 7108), (3554, 3560)]