77987600

素因数分解:

$2^4\times 5^2\times {\mathrm{241}}^1\times {\mathrm{809}}^1$

素因数の和:1068

約数の個数: 60

約数和(自身を含む): 188375220

約数和(自身を除く): 110387620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 241, 400, 482, 809, 964, 1205, 1618, 1928, 2410, 3236, 3856, 4045, 4820, 6025, 6472, 8090, 9640, 12050, 12944, 16180, 19280, 20225, 24100, 32360, 40450, 48200, 64720, 80900, 96400, 161800, 194969, 323600, 389938, 779876, 974845, 1559752, 1949690, 3119504, 3899380, 4874225, 7798760, 9748450, 15597520, 19496900, 38993800, 77987600]

約数ペア:

[(1, 77987600), (2, 38993800), (4, 19496900), (5, 15597520), (8, 9748450), (10, 7798760), (16, 4874225), (20, 3899380), (25, 3119504), (40, 1949690), (50, 1559752), (80, 974845), (100, 779876), (200, 389938), (241, 323600), (400, 194969), (482, 161800), (809, 96400), (964, 80900), (1205, 64720), (1618, 48200), (1928, 40450), (2410, 32360), (3236, 24100), (3856, 20225), (4045, 19280), (4820, 16180), (6025, 12944), (6472, 12050), (8090, 9640)]