12968240

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3449}}^1$

素因数の和:3509

約数の個数: 40

約数和(自身を含む): 30801600

約数和(自身を除く): 17833360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3449, 3760, 6898, 13796, 17245, 27592, 34490, 55184, 68980, 137960, 162103, 275920, 324206, 648412, 810515, 1296824, 1621030, 2593648, 3242060, 6484120, 12968240]

約数ペア:

[(1, 12968240), (2, 6484120), (4, 3242060), (5, 2593648), (8, 1621030), (10, 1296824), (16, 810515), (20, 648412), (40, 324206), (47, 275920), (80, 162103), (94, 137960), (188, 68980), (235, 55184), (376, 34490), (470, 27592), (752, 17245), (940, 13796), (1880, 6898), (3449, 3760)]