157322560

素因数分解:

$2^6\times 5^1\times {\mathrm{491633}}^1$

素因数の和:491650

約数の個数: 28

約数和(自身を含む): 374625108

約数和(自身を除く): 217302548

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 491633, 983266, 1966532, 2458165, 3933064, 4916330, 7866128, 9832660, 15732256, 19665320, 31464512, 39330640, 78661280, 157322560]

約数ペア:

[(1, 157322560), (2, 78661280), (4, 39330640), (5, 31464512), (8, 19665320), (10, 15732256), (16, 9832660), (20, 7866128), (32, 4916330), (40, 3933064), (64, 2458165), (80, 1966532), (160, 983266), (320, 491633)]