28555210

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{7121}}^1$

素因数の和:7529

約数の個数: 16

約数和(自身を含む): 51534792

約数和(自身を除く): 22979582

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 7121, 14242, 35605, 71210, 2855521, 5711042, 14277605, 28555210]

約数ペア:

[(1, 28555210), (2, 14277605), (5, 5711042), (10, 2855521), (401, 71210), (802, 35605), (2005, 14242), (4010, 7121)]