4554040

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{443}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 10309680

約数和(自身を除く): 5755640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 443, 514, 886, 1028, 1285, 1772, 2056, 2215, 2570, 3544, 4430, 5140, 8860, 10280, 17720, 113851, 227702, 455404, 569255, 910808, 1138510, 2277020, 4554040]

約数ペア:

[(1, 4554040), (2, 2277020), (4, 1138510), (5, 910808), (8, 569255), (10, 455404), (20, 227702), (40, 113851), (257, 17720), (443, 10280), (514, 8860), (886, 5140), (1028, 4430), (1285, 3544), (1772, 2570), (2056, 2215)]