66849800

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{4231}}^1$

素因数の和:4326

約数の個数: 48

約数和(自身を含む): 157430400

約数和(自身を除く): 90580600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 632, 790, 1580, 1975, 3160, 3950, 4231, 7900, 8462, 15800, 16924, 21155, 33848, 42310, 84620, 105775, 169240, 211550, 334249, 423100, 668498, 846200, 1336996, 1671245, 2673992, 3342490, 6684980, 8356225, 13369960, 16712450, 33424900, 66849800]

約数ペア:

[(1, 66849800), (2, 33424900), (4, 16712450), (5, 13369960), (8, 8356225), (10, 6684980), (20, 3342490), (25, 2673992), (40, 1671245), (50, 1336996), (79, 846200), (100, 668498), (158, 423100), (200, 334249), (316, 211550), (395, 169240), (632, 105775), (790, 84620), (1580, 42310), (1975, 33848), (3160, 21155), (3950, 16924), (4231, 15800), (7900, 8462)]