79842520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{19763}}^1$

素因数の和:19875

約数の個数: 32

約数和(自身を含む): 181433520

約数和(自身を除く): 101591000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 19763, 39526, 79052, 98815, 158104, 197630, 395260, 790520, 1996063, 3992126, 7984252, 9980315, 15968504, 19960630, 39921260, 79842520]

約数ペア:

[(1, 79842520), (2, 39921260), (4, 19960630), (5, 15968504), (8, 9980315), (10, 7984252), (20, 3992126), (40, 1996063), (101, 790520), (202, 395260), (404, 197630), (505, 158104), (808, 98815), (1010, 79052), (2020, 39526), (4040, 19763)]