28639740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{477329}}^1$

素因数の和:477341

約数の個数: 24

約数和(自身を含む): 80191440

約数和(自身を除く): 51551700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 477329, 954658, 1431987, 1909316, 2386645, 2863974, 4773290, 5727948, 7159935, 9546580, 14319870, 28639740]

約数ペア:

[(1, 28639740), (2, 14319870), (3, 9546580), (4, 7159935), (5, 5727948), (6, 4773290), (10, 2863974), (12, 2386645), (15, 1909316), (20, 1431987), (30, 954658), (60, 477329)]