1331569280

素因数分解:

$2^7\times 5^1\times {\mathrm{2080577}}^1$

素因数の和:2080596

約数の個数: 32

約数和(自身を含む): 3183284340

約数和(自身を除く): 1851715060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2080577, 4161154, 8322308, 10402885, 16644616, 20805770, 33289232, 41611540, 66578464, 83223080, 133156928, 166446160, 266313856, 332892320, 665784640, 1331569280]

約数ペア:

[(1, 1331569280), (2, 665784640), (4, 332892320), (5, 266313856), (8, 166446160), (10, 133156928), (16, 83223080), (20, 66578464), (32, 41611540), (40, 33289232), (64, 20805770), (80, 16644616), (128, 10402885), (160, 8322308), (320, 4161154), (640, 2080577)]