28400990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{46559}}^1$

素因数の和:46627

約数の個数: 16

約数和(自身を含む): 51960960

約数和(自身を除く): 23559970

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 46559, 93118, 232795, 465590, 2840099, 5680198, 14200495, 28400990]

約数ペア:

[(1, 28400990), (2, 14200495), (5, 5680198), (10, 2840099), (61, 465590), (122, 232795), (305, 93118), (610, 46559)]