80471860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{574799}}^1$

素因数の和:574815

約数の個数: 24

約数和(自身を含む): 193132800

約数和(自身を除く): 112660940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 574799, 1149598, 2299196, 2873995, 4023593, 5747990, 8047186, 11495980, 16094372, 20117965, 40235930, 80471860]

約数ペア:

[(1, 80471860), (2, 40235930), (4, 20117965), (5, 16094372), (7, 11495980), (10, 8047186), (14, 5747990), (20, 4023593), (28, 2873995), (35, 2299196), (70, 1149598), (140, 574799)]