79790320

素因数分解:

$2^4\times 5^1\times {\mathrm{997379}}^1$

素因数の和:997392

約数の個数: 20

約数和(自身を含む): 185512680

約数和(自身を除く): 105722360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 997379, 1994758, 3989516, 4986895, 7979032, 9973790, 15958064, 19947580, 39895160, 79790320]

約数ペア:

[(1, 79790320), (2, 39895160), (4, 19947580), (5, 15958064), (8, 9973790), (10, 7979032), (16, 4986895), (20, 3989516), (40, 1994758), (80, 997379)]