65067820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{1087}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 142023168

約数和(自身を除く): 76955348

約数列:

[1, 2, 4, 5, 10, 20, 41, 73, 82, 146, 164, 205, 292, 365, 410, 730, 820, 1087, 1460, 2174, 2993, 4348, 5435, 5986, 10870, 11972, 14965, 21740, 29930, 44567, 59860, 79351, 89134, 158702, 178268, 222835, 317404, 396755, 445670, 793510, 891340, 1587020, 3253391, 6506782, 13013564, 16266955, 32533910, 65067820]

約数ペア:

[(1, 65067820), (2, 32533910), (4, 16266955), (5, 13013564), (10, 6506782), (20, 3253391), (41, 1587020), (73, 891340), (82, 793510), (146, 445670), (164, 396755), (205, 317404), (292, 222835), (365, 178268), (410, 158702), (730, 89134), (820, 79351), (1087, 59860), (1460, 44567), (2174, 29930), (2993, 21740), (4348, 14965), (5435, 11972), (5986, 10870)]