81157600

素因数分解:

$2^5\times 5^2\times {\mathrm{229}}^1\times {\mathrm{443}}^1$

素因数の和:692

約数の個数: 72

約数和(自身を含む): 199440360

約数和(自身を除く): 118282760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 229, 400, 443, 458, 800, 886, 916, 1145, 1772, 1832, 2215, 2290, 3544, 3664, 4430, 4580, 5725, 7088, 7328, 8860, 9160, 11075, 11450, 14176, 17720, 18320, 22150, 22900, 35440, 36640, 44300, 45800, 70880, 88600, 91600, 101447, 177200, 183200, 202894, 354400, 405788, 507235, 811576, 1014470, 1623152, 2028940, 2536175, 3246304, 4057880, 5072350, 8115760, 10144700, 16231520, 20289400, 40578800, 81157600]

約数ペア:

[(1, 81157600), (2, 40578800), (4, 20289400), (5, 16231520), (8, 10144700), (10, 8115760), (16, 5072350), (20, 4057880), (25, 3246304), (32, 2536175), (40, 2028940), (50, 1623152), (80, 1014470), (100, 811576), (160, 507235), (200, 405788), (229, 354400), (400, 202894), (443, 183200), (458, 177200), (800, 101447), (886, 91600), (916, 88600), (1145, 70880), (1772, 45800), (1832, 44300), (2215, 36640), (2290, 35440), (3544, 22900), (3664, 22150), (4430, 18320), (4580, 17720), (5725, 14176), (7088, 11450), (7328, 11075), (8860, 9160)]