12457100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2897}}^1$

素因数の和:2954

約数の個数: 36

約数和(自身を含む): 27670104

約数和(自身を除く): 15213004

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 2897, 4300, 5794, 11588, 14485, 28970, 57940, 72425, 124571, 144850, 249142, 289700, 498284, 622855, 1245710, 2491420, 3114275, 6228550, 12457100]

約数ペア:

[(1, 12457100), (2, 6228550), (4, 3114275), (5, 2491420), (10, 1245710), (20, 622855), (25, 498284), (43, 289700), (50, 249142), (86, 144850), (100, 124571), (172, 72425), (215, 57940), (430, 28970), (860, 14485), (1075, 11588), (2150, 5794), (2897, 4300)]