51985720

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1583}}^1$

素因数の和:2415

約数の個数: 32

約数和(自身を含む): 117184320

約数和(自身を除く): 65198600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1583, 1642, 3166, 3284, 4105, 6332, 6568, 7915, 8210, 12664, 15830, 16420, 31660, 32840, 63320, 1299643, 2599286, 5198572, 6498215, 10397144, 12996430, 25992860, 51985720]

約数ペア:

[(1, 51985720), (2, 25992860), (4, 12996430), (5, 10397144), (8, 6498215), (10, 5198572), (20, 2599286), (40, 1299643), (821, 63320), (1583, 32840), (1642, 31660), (3166, 16420), (3284, 15830), (4105, 12664), (6332, 8210), (6568, 7915)]