87729280

素因数分解:

$2^7\times 5^1\times {\mathrm{137077}}^1$

素因数の和:137096

約数の個数: 32

約数和(自身を含む): 209729340

約数和(自身を除く): 122000060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 137077, 274154, 548308, 685385, 1096616, 1370770, 2193232, 2741540, 4386464, 5483080, 8772928, 10966160, 17545856, 21932320, 43864640, 87729280]

約数ペア:

[(1, 87729280), (2, 43864640), (4, 21932320), (5, 17545856), (8, 10966160), (10, 8772928), (16, 5483080), (20, 4386464), (32, 2741540), (40, 2193232), (64, 1370770), (80, 1096616), (128, 685385), (160, 548308), (320, 274154), (640, 137077)]