28196140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{201401}}^1$

素因数の和:201417

約数の個数: 24

約数和(自身を含む): 67671072

約数和(自身を除く): 39474932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 201401, 402802, 805604, 1007005, 1409807, 2014010, 2819614, 4028020, 5639228, 7049035, 14098070, 28196140]

約数ペア:

[(1, 28196140), (2, 14098070), (4, 7049035), (5, 5639228), (7, 4028020), (10, 2819614), (14, 2014010), (20, 1409807), (28, 1007005), (35, 805604), (70, 402802), (140, 201401)]