28306660

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2243}}^1$

素因数の和:2883

約数の個数: 24

約数和(自身を含む): 59564736

約数和(自身を除く): 31258076

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2243, 2524, 3155, 4486, 6310, 8972, 11215, 12620, 22430, 44860, 1415333, 2830666, 5661332, 7076665, 14153330, 28306660]

約数ペア:

[(1, 28306660), (2, 14153330), (4, 7076665), (5, 5661332), (10, 2830666), (20, 1415333), (631, 44860), (1262, 22430), (2243, 12620), (2524, 11215), (3155, 8972), (4486, 6310)]