497071280

素因数分解:

$2^4\times 5^1\times {\mathrm{6213391}}^1$

素因数の和:6213404

約数の個数: 20

約数和(自身を含む): 1155690912

約数和(自身を除く): 658619632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6213391, 12426782, 24853564, 31066955, 49707128, 62133910, 99414256, 124267820, 248535640, 497071280]

約数ペア:

[(1, 497071280), (2, 248535640), (4, 124267820), (5, 99414256), (8, 62133910), (10, 49707128), (16, 31066955), (20, 24853564), (40, 12426782), (80, 6213391)]