12100840

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{857}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 27335880

約数和(自身を除く): 15235040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 857, 1412, 1714, 1765, 2824, 3428, 3530, 4285, 6856, 7060, 8570, 14120, 17140, 34280, 302521, 605042, 1210084, 1512605, 2420168, 3025210, 6050420, 12100840]

約数ペア:

[(1, 12100840), (2, 6050420), (4, 3025210), (5, 2420168), (8, 1512605), (10, 1210084), (20, 605042), (40, 302521), (353, 34280), (706, 17140), (857, 14120), (1412, 8570), (1714, 7060), (1765, 6856), (2824, 4285), (3428, 3530)]