16789960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3469}}^1$

素因数の和:3502

約数の個数: 48

約数和(自身を含む): 41535900

約数和(自身を除く): 24745940

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 3469, 4840, 6938, 13876, 17345, 27752, 34690, 38159, 69380, 76318, 138760, 152636, 190795, 305272, 381590, 419749, 763180, 839498, 1526360, 1678996, 2098745, 3357992, 4197490, 8394980, 16789960]

約数ペア:

[(1, 16789960), (2, 8394980), (4, 4197490), (5, 3357992), (8, 2098745), (10, 1678996), (11, 1526360), (20, 839498), (22, 763180), (40, 419749), (44, 381590), (55, 305272), (88, 190795), (110, 152636), (121, 138760), (220, 76318), (242, 69380), (440, 38159), (484, 34690), (605, 27752), (968, 17345), (1210, 13876), (2420, 6938), (3469, 4840)]