80828320

素因数分解:

$2^5\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1319}}^1$

素因数の和:1717

約数の個数: 48

約数和(自身を含む): 191600640

約数和(自身を除く): 110772320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 383, 766, 1319, 1532, 1915, 2638, 3064, 3830, 5276, 6128, 6595, 7660, 10552, 12256, 13190, 15320, 21104, 26380, 30640, 42208, 52760, 61280, 105520, 211040, 505177, 1010354, 2020708, 2525885, 4041416, 5051770, 8082832, 10103540, 16165664, 20207080, 40414160, 80828320]

約数ペア:

[(1, 80828320), (2, 40414160), (4, 20207080), (5, 16165664), (8, 10103540), (10, 8082832), (16, 5051770), (20, 4041416), (32, 2525885), (40, 2020708), (80, 1010354), (160, 505177), (383, 211040), (766, 105520), (1319, 61280), (1532, 52760), (1915, 42208), (2638, 30640), (3064, 26380), (3830, 21104), (5276, 15320), (6128, 13190), (6595, 12256), (7660, 10552)]