158202320

素因数分解:

$2^4\times 5^1\times {\mathrm{1977529}}^1$

素因数の和:1977542

約数の個数: 20

約数和(自身を含む): 367820580

約数和(自身を除く): 209618260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1977529, 3955058, 7910116, 9887645, 15820232, 19775290, 31640464, 39550580, 79101160, 158202320]

約数ペア:

[(1, 158202320), (2, 79101160), (4, 39550580), (5, 31640464), (8, 19775290), (10, 15820232), (16, 9887645), (20, 7910116), (40, 3955058), (80, 1977529)]