15722680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9587}}^1$

素因数の和:9639

約数の個数: 32

約数和(自身を含む): 36242640

約数和(自身を除く): 20519960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 9587, 19174, 38348, 47935, 76696, 95870, 191740, 383480, 393067, 786134, 1572268, 1965335, 3144536, 3930670, 7861340, 15722680]

約数ペア:

[(1, 15722680), (2, 7861340), (4, 3930670), (5, 3144536), (8, 1965335), (10, 1572268), (20, 786134), (40, 393067), (41, 383480), (82, 191740), (164, 95870), (205, 76696), (328, 47935), (410, 38348), (820, 19174), (1640, 9587)]