25304480

素因数分解:

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

素因数の和:1881

約数の個数: 48

約数和(自身を含む): 60487560

約数和(自身を除く): 35183080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1777, 1780, 2848, 3554, 3560, 7108, 7120, 8885, 14216, 14240, 17770, 28432, 35540, 56864, 71080, 142160, 158153, 284320, 316306, 632612, 790765, 1265224, 1581530, 2530448, 3163060, 5060896, 6326120, 12652240, 25304480]

約数ペア:

[(1, 25304480), (2, 12652240), (4, 6326120), (5, 5060896), (8, 3163060), (10, 2530448), (16, 1581530), (20, 1265224), (32, 790765), (40, 632612), (80, 316306), (89, 284320), (160, 158153), (178, 142160), (356, 71080), (445, 56864), (712, 35540), (890, 28432), (1424, 17770), (1777, 14240), (1780, 14216), (2848, 8885), (3554, 7120), (3560, 7108)]