920920960

素因数分解:

$2^7\times 5^1\times {\mathrm{1438939}}^1$

素因数の和:1438958

約数の個数: 32

約数和(自身を含む): 2201578200

約数和(自身を除く): 1280657240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1438939, 2877878, 5755756, 7194695, 11511512, 14389390, 23023024, 28778780, 46046048, 57557560, 92092096, 115115120, 184184192, 230230240, 460460480, 920920960]

約数ペア:

[(1, 920920960), (2, 460460480), (4, 230230240), (5, 184184192), (8, 115115120), (10, 92092096), (16, 57557560), (20, 46046048), (32, 28778780), (40, 23023024), (64, 14389390), (80, 11511512), (128, 7194695), (160, 5755756), (320, 2877878), (640, 1438939)]