55997660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1511}}^1$

素因数の和:1646

約数の個数: 48

約数和(自身を含む): 125737920

約数和(自身を除く): 69740260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 340, 436, 545, 1090, 1511, 1853, 2180, 3022, 3706, 6044, 7412, 7555, 9265, 15110, 18530, 25687, 30220, 37060, 51374, 102748, 128435, 164699, 256870, 329398, 513740, 658796, 823495, 1646990, 2799883, 3293980, 5599766, 11199532, 13999415, 27998830, 55997660]

約数ペア:

[(1, 55997660), (2, 27998830), (4, 13999415), (5, 11199532), (10, 5599766), (17, 3293980), (20, 2799883), (34, 1646990), (68, 823495), (85, 658796), (109, 513740), (170, 329398), (218, 256870), (340, 164699), (436, 128435), (545, 102748), (1090, 51374), (1511, 37060), (1853, 30220), (2180, 25687), (3022, 18530), (3706, 15110), (6044, 9265), (7412, 7555)]