65326640

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{4231}}^1$

素因数の和:4437

約数の個数: 40

約数和(自身を含む): 152707488

約数和(自身を除く): 87380848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 4231, 7720, 8462, 15440, 16924, 21155, 33848, 42310, 67696, 84620, 169240, 338480, 816583, 1633166, 3266332, 4082915, 6532664, 8165830, 13065328, 16331660, 32663320, 65326640]

約数ペア:

[(1, 65326640), (2, 32663320), (4, 16331660), (5, 13065328), (8, 8165830), (10, 6532664), (16, 4082915), (20, 3266332), (40, 1633166), (80, 816583), (193, 338480), (386, 169240), (772, 84620), (965, 67696), (1544, 42310), (1930, 33848), (3088, 21155), (3860, 16924), (4231, 15440), (7720, 8462)]