1800404920

素因数分解:

$2^3\times 5^1\times {\mathrm{45010123}}^1$

素因数の和:45010134

約数の個数: 16

約数和(自身を含む): 4050911160

約数和(自身を除く): 2250506240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 45010123, 90020246, 180040492, 225050615, 360080984, 450101230, 900202460, 1800404920]

約数ペア:

[(1, 1800404920), (2, 900202460), (4, 450101230), (5, 360080984), (8, 225050615), (10, 180040492), (20, 90020246), (40, 45010123)]