3871640

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{641}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 8782560

約数和(自身を除く): 4910920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 641, 755, 1208, 1282, 1510, 2564, 3020, 3205, 5128, 6040, 6410, 12820, 25640, 96791, 193582, 387164, 483955, 774328, 967910, 1935820, 3871640]

約数ペア:

[(1, 3871640), (2, 1935820), (4, 967910), (5, 774328), (8, 483955), (10, 387164), (20, 193582), (40, 96791), (151, 25640), (302, 12820), (604, 6410), (641, 6040), (755, 5128), (1208, 3205), (1282, 3020), (1510, 2564)]