143755280

素因数分解:

$2^4\times 5^1\times {\mathrm{1796941}}^1$

素因数の和:1796954

約数の個数: 20

約数和(自身を含む): 334231212

約数和(自身を除く): 190475932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1796941, 3593882, 7187764, 8984705, 14375528, 17969410, 28751056, 35938820, 71877640, 143755280]

約数ペア:

[(1, 143755280), (2, 71877640), (4, 35938820), (5, 28751056), (8, 17969410), (10, 14375528), (16, 8984705), (20, 7187764), (40, 3593882), (80, 1796941)]