801996880

素因数分解:

$2^4\times 5^1\times {\mathrm{10024961}}^1$

素因数の和:10024974

約数の個数: 20

約数和(自身を含む): 1864642932

約数和(自身を除く): 1062646052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10024961, 20049922, 40099844, 50124805, 80199688, 100249610, 160399376, 200499220, 400998440, 801996880]

約数ペア:

[(1, 801996880), (2, 400998440), (4, 200499220), (5, 160399376), (8, 100249610), (10, 80199688), (16, 50124805), (20, 40099844), (40, 20049922), (80, 10024961)]