28655060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{204679}}^1$

素因数の和:204695

約数の個数: 24

約数和(自身を含む): 68772480

約数和(自身を除く): 40117420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 204679, 409358, 818716, 1023395, 1432753, 2046790, 2865506, 4093580, 5731012, 7163765, 14327530, 28655060]

約数ペア:

[(1, 28655060), (2, 14327530), (4, 7163765), (5, 5731012), (7, 4093580), (10, 2865506), (14, 2046790), (20, 1432753), (28, 1023395), (35, 818716), (70, 409358), (140, 204679)]