199049440

素因数分解:

$2^5\times 5^1\times {\mathrm{1244059}}^1$

素因数の和:1244074

約数の個数: 24

約数和(自身を含む): 470254680

約数和(自身を除く): 271205240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1244059, 2488118, 4976236, 6220295, 9952472, 12440590, 19904944, 24881180, 39809888, 49762360, 99524720, 199049440]

約数ペア:

[(1, 199049440), (2, 99524720), (4, 49762360), (5, 39809888), (8, 24881180), (10, 19904944), (16, 12440590), (20, 9952472), (32, 6220295), (40, 4976236), (80, 2488118), (160, 1244059)]