28404230

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{28123}}^1$

素因数の和:28231

約数の個数: 16

約数和(自身を含む): 51635664

約数和(自身を除く): 23231434

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 28123, 56246, 140615, 281230, 2840423, 5680846, 14202115, 28404230]

約数ペア:

[(1, 28404230), (2, 14202115), (5, 5680846), (10, 2840423), (101, 281230), (202, 140615), (505, 56246), (1010, 28123)]