8049280

素因数分解:

$2^7\times 5^1\times {\mathrm{12577}}^1$

素因数の和:12596

約数の個数: 32

約数和(自身を含む): 19244340

約数和(自身を除く): 11195060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12577, 25154, 50308, 62885, 100616, 125770, 201232, 251540, 402464, 503080, 804928, 1006160, 1609856, 2012320, 4024640, 8049280]

約数ペア:

[(1, 8049280), (2, 4024640), (4, 2012320), (5, 1609856), (8, 1006160), (10, 804928), (16, 503080), (20, 402464), (32, 251540), (40, 201232), (64, 125770), (80, 100616), (128, 62885), (160, 50308), (320, 25154), (640, 12577)]