961280

素因数分解:

$2^8\times 5^1\times {\mathrm{751}}^1$

素因数の和:772

約数の個数: 36

約数和(自身を含む): 2305632

約数和(自身を除く): 1344352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 751, 1280, 1502, 3004, 3755, 6008, 7510, 12016, 15020, 24032, 30040, 48064, 60080, 96128, 120160, 192256, 240320, 480640, 961280]

約数ペア:

[(1, 961280), (2, 480640), (4, 240320), (5, 192256), (8, 120160), (10, 96128), (16, 60080), (20, 48064), (32, 30040), (40, 24032), (64, 15020), (80, 12016), (128, 7510), (160, 6008), (256, 3755), (320, 3004), (640, 1502), (751, 1280)]