28856840

素因数分解:

$2^3\times 5^1\times {\mathrm{757}}^1\times {\mathrm{953}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 65081880

約数和(自身を除く): 36225040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 757, 953, 1514, 1906, 3028, 3785, 3812, 4765, 6056, 7570, 7624, 9530, 15140, 19060, 30280, 38120, 721421, 1442842, 2885684, 3607105, 5771368, 7214210, 14428420, 28856840]

約数ペア:

[(1, 28856840), (2, 14428420), (4, 7214210), (5, 5771368), (8, 3607105), (10, 2885684), (20, 1442842), (40, 721421), (757, 38120), (953, 30280), (1514, 19060), (1906, 15140), (3028, 9530), (3785, 7624), (3812, 7570), (4765, 6056)]