61819480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{90911}}^1$

素因数の和:90939

約数の個数: 32

約数和(自身を含む): 147277440

約数和(自身を除く): 85457960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 90911, 181822, 363644, 454555, 727288, 909110, 1545487, 1818220, 3090974, 3636440, 6181948, 7727435, 12363896, 15454870, 30909740, 61819480]

約数ペア:

[(1, 61819480), (2, 30909740), (4, 15454870), (5, 12363896), (8, 7727435), (10, 6181948), (17, 3636440), (20, 3090974), (34, 1818220), (40, 1545487), (68, 909110), (85, 727288), (136, 454555), (170, 363644), (340, 181822), (680, 90911)]