155479120

素因数分解:

$2^4\times 5^1\times {\mathrm{1943489}}^1$

素因数の和:1943502

約数の個数: 20

約数和(自身を含む): 361489140

約数和(自身を除く): 206010020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1943489, 3886978, 7773956, 9717445, 15547912, 19434890, 31095824, 38869780, 77739560, 155479120]

約数ペア:

[(1, 155479120), (2, 77739560), (4, 38869780), (5, 31095824), (8, 19434890), (10, 15547912), (16, 9717445), (20, 7773956), (40, 3886978), (80, 1943489)]