28486420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61927}}^1$

素因数の和:61959

約数の個数: 24

約数和(自身を含む): 62423424

約数和(自身を除く): 33937004

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 61927, 123854, 247708, 309635, 619270, 1238540, 1424321, 2848642, 5697284, 7121605, 14243210, 28486420]

約数ペア:

[(1, 28486420), (2, 14243210), (4, 7121605), (5, 5697284), (10, 2848642), (20, 1424321), (23, 1238540), (46, 619270), (92, 309635), (115, 247708), (230, 123854), (460, 61927)]