12738760

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1907}}^1$

素因数の和:2085

約数の個数: 32

約数和(自身を含む): 28848960

約数和(自身を除く): 16110200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 1907, 3340, 3814, 6680, 7628, 9535, 15256, 19070, 38140, 76280, 318469, 636938, 1273876, 1592345, 2547752, 3184690, 6369380, 12738760]

約数ペア:

[(1, 12738760), (2, 6369380), (4, 3184690), (5, 2547752), (8, 1592345), (10, 1273876), (20, 636938), (40, 318469), (167, 76280), (334, 38140), (668, 19070), (835, 15256), (1336, 9535), (1670, 7628), (1907, 6680), (3340, 3814)]