16457540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{313}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 37981440

約数和(自身を除く): 21523900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 239, 313, 478, 626, 956, 1195, 1252, 1565, 2390, 2629, 3130, 3443, 4780, 5258, 6260, 6886, 10516, 13145, 13772, 17215, 26290, 34430, 52580, 68860, 74807, 149614, 299228, 374035, 748070, 822877, 1496140, 1645754, 3291508, 4114385, 8228770, 16457540]

約数ペア:

[(1, 16457540), (2, 8228770), (4, 4114385), (5, 3291508), (10, 1645754), (11, 1496140), (20, 822877), (22, 748070), (44, 374035), (55, 299228), (110, 149614), (220, 74807), (239, 68860), (313, 52580), (478, 34430), (626, 26290), (956, 17215), (1195, 13772), (1252, 13145), (1565, 10516), (2390, 6886), (2629, 6260), (3130, 5258), (3443, 4780)]