66439300

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{15451}}^1$

素因数の和:15508

約数の個数: 36

約数和(自身を含む): 147535696

約数和(自身を除く): 81096396

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 15451, 30902, 61804, 77255, 154510, 309020, 386275, 664393, 772550, 1328786, 1545100, 2657572, 3321965, 6643930, 13287860, 16609825, 33219650, 66439300]

約数ペア:

[(1, 66439300), (2, 33219650), (4, 16609825), (5, 13287860), (10, 6643930), (20, 3321965), (25, 2657572), (43, 1545100), (50, 1328786), (86, 772550), (100, 664393), (172, 386275), (215, 309020), (430, 154510), (860, 77255), (1075, 61804), (2150, 30902), (4300, 15451)]