2005400

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 4806240

約数和(自身を除く): 2800840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 148, 185, 200, 271, 296, 370, 542, 740, 925, 1084, 1355, 1480, 1850, 2168, 2710, 3700, 5420, 6775, 7400, 10027, 10840, 13550, 20054, 27100, 40108, 50135, 54200, 80216, 100270, 200540, 250675, 401080, 501350, 1002700, 2005400]

約数ペア:

[(1, 2005400), (2, 1002700), (4, 501350), (5, 401080), (8, 250675), (10, 200540), (20, 100270), (25, 80216), (37, 54200), (40, 50135), (50, 40108), (74, 27100), (100, 20054), (148, 13550), (185, 10840), (200, 10027), (271, 7400), (296, 6775), (370, 5420), (542, 3700), (740, 2710), (925, 2168), (1084, 1850), (1355, 1480)]