148891480

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{5807}}^1$

素因数の和:6459

約数の個数: 32

約数和(自身を含む): 335586240

約数和(自身を除く): 186694760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 5807, 6410, 11614, 12820, 23228, 25640, 29035, 46456, 58070, 116140, 232280, 3722287, 7444574, 14889148, 18611435, 29778296, 37222870, 74445740, 148891480]

約数ペア:

[(1, 148891480), (2, 74445740), (4, 37222870), (5, 29778296), (8, 18611435), (10, 14889148), (20, 7444574), (40, 3722287), (641, 232280), (1282, 116140), (2564, 58070), (3205, 46456), (5128, 29035), (5807, 25640), (6410, 23228), (11614, 12820)]