201616400

素因数分解:

$2^4\times 5^2\times {\mathrm{67}}^1\times {\mathrm{7523}}^1$

素因数の和:7608

約数の個数: 60

約数和(自身を含む): 491678352

約数和(自身を除く): 290061952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 67, 80, 100, 134, 200, 268, 335, 400, 536, 670, 1072, 1340, 1675, 2680, 3350, 5360, 6700, 7523, 13400, 15046, 26800, 30092, 37615, 60184, 75230, 120368, 150460, 188075, 300920, 376150, 504041, 601840, 752300, 1008082, 1504600, 2016164, 2520205, 3009200, 4032328, 5040410, 8064656, 10080820, 12601025, 20161640, 25202050, 40323280, 50404100, 100808200, 201616400]

約数ペア:

[(1, 201616400), (2, 100808200), (4, 50404100), (5, 40323280), (8, 25202050), (10, 20161640), (16, 12601025), (20, 10080820), (25, 8064656), (40, 5040410), (50, 4032328), (67, 3009200), (80, 2520205), (100, 2016164), (134, 1504600), (200, 1008082), (268, 752300), (335, 601840), (400, 504041), (536, 376150), (670, 300920), (1072, 188075), (1340, 150460), (1675, 120368), (2680, 75230), (3350, 60184), (5360, 37615), (6700, 30092), (7523, 26800), (13400, 15046)]