480640

素因数分解:

$2^7\times 5^1\times {\mathrm{751}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 1150560

約数和(自身を除く): 669920

約数列:

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

約数ペア:

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