124577920

素因数分解:

$2^7\times 5^1\times {\mathrm{194653}}^1$

素因数の和:194672

約数の個数: 32

約数和(自身を含む): 297820620

約数和(自身を除く): 173242700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 194653, 389306, 778612, 973265, 1557224, 1946530, 3114448, 3893060, 6228896, 7786120, 12457792, 15572240, 24915584, 31144480, 62288960, 124577920]

約数ペア:

[(1, 124577920), (2, 62288960), (4, 31144480), (5, 24915584), (8, 15572240), (10, 12457792), (16, 7786120), (20, 6228896), (32, 3893060), (40, 3114448), (64, 1946530), (80, 1557224), (128, 973265), (160, 778612), (320, 389306), (640, 194653)]