145047680

素因数分解:

$2^7\times 5^1\times {\mathrm{226637}}^1$

素因数の和:226656

約数の個数: 32

約数和(自身を含む): 346756140

約数和(自身を除く): 201708460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 226637, 453274, 906548, 1133185, 1813096, 2266370, 3626192, 4532740, 7252384, 9065480, 14504768, 18130960, 29009536, 36261920, 72523840, 145047680]

約数ペア:

[(1, 145047680), (2, 72523840), (4, 36261920), (5, 29009536), (8, 18130960), (10, 14504768), (16, 9065480), (20, 7252384), (32, 4532740), (40, 3626192), (64, 2266370), (80, 1813096), (128, 1133185), (160, 906548), (320, 453274), (640, 226637)]