28445620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{203183}}^1$

素因数の和:203199

約数の個数: 24

約数和(自身を含む): 68269824

約数和(自身を除く): 39824204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 203183, 406366, 812732, 1015915, 1422281, 2031830, 2844562, 4063660, 5689124, 7111405, 14222810, 28445620]

約数ペア:

[(1, 28445620), (2, 14222810), (4, 7111405), (5, 5689124), (7, 4063660), (10, 2844562), (14, 2031830), (20, 1422281), (28, 1015915), (35, 812732), (70, 406366), (140, 203183)]