28767920

素因数分解:

$2^4\times 5^1\times {\mathrm{359599}}^1$

素因数の和:359612

約数の個数: 20

約数和(自身を含む): 66885600

約数和(自身を除く): 38117680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359599, 719198, 1438396, 1797995, 2876792, 3595990, 5753584, 7191980, 14383960, 28767920]

約数ペア:

[(1, 28767920), (2, 14383960), (4, 7191980), (5, 5753584), (8, 3595990), (10, 2876792), (16, 1797995), (20, 1438396), (40, 719198), (80, 359599)]