4433680

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:523

約数の個数: 40

約数和(自身を含む): 10403352

約数和(自身を除く): 5969672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 353, 628, 706, 785, 1256, 1412, 1570, 1765, 2512, 2824, 3140, 3530, 5648, 6280, 7060, 12560, 14120, 28240, 55421, 110842, 221684, 277105, 443368, 554210, 886736, 1108420, 2216840, 4433680]

約数ペア:

[(1, 4433680), (2, 2216840), (4, 1108420), (5, 886736), (8, 554210), (10, 443368), (16, 277105), (20, 221684), (40, 110842), (80, 55421), (157, 28240), (314, 14120), (353, 12560), (628, 7060), (706, 6280), (785, 5648), (1256, 3530), (1412, 3140), (1570, 2824), (1765, 2512)]