28307660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{23203}}^1$

素因数の和:23273

約数の個数: 24

約数和(自身を含む): 60423216

約数和(自身を除く): 32115556

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 23203, 46406, 92812, 116015, 232030, 464060, 1415383, 2830766, 5661532, 7076915, 14153830, 28307660]

約数ペア:

[(1, 28307660), (2, 14153830), (4, 7076915), (5, 5661532), (10, 2830766), (20, 1415383), (61, 464060), (122, 232030), (244, 116015), (305, 92812), (610, 46406), (1220, 23203)]