130382960

素因数分解:

$2^4\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1721}}^1$

素因数の和:2681

約数の個数: 40

約数和(自身を含む): 303636816

約数和(自身を除く): 173253856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 947, 1721, 1894, 3442, 3788, 4735, 6884, 7576, 8605, 9470, 13768, 15152, 17210, 18940, 27536, 34420, 37880, 68840, 75760, 137680, 1629787, 3259574, 6519148, 8148935, 13038296, 16297870, 26076592, 32595740, 65191480, 130382960]

約数ペア:

[(1, 130382960), (2, 65191480), (4, 32595740), (5, 26076592), (8, 16297870), (10, 13038296), (16, 8148935), (20, 6519148), (40, 3259574), (80, 1629787), (947, 137680), (1721, 75760), (1894, 68840), (3442, 37880), (3788, 34420), (4735, 27536), (6884, 18940), (7576, 17210), (8605, 15152), (9470, 13768)]