38728580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{439}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 89147520

約数和(自身を除く): 50418940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 401, 439, 802, 878, 1604, 1756, 2005, 2195, 4010, 4390, 4411, 4829, 8020, 8780, 8822, 9658, 17644, 19316, 22055, 24145, 44110, 48290, 88220, 96580, 176039, 352078, 704156, 880195, 1760390, 1936429, 3520780, 3872858, 7745716, 9682145, 19364290, 38728580]

約数ペア:

[(1, 38728580), (2, 19364290), (4, 9682145), (5, 7745716), (10, 3872858), (11, 3520780), (20, 1936429), (22, 1760390), (44, 880195), (55, 704156), (110, 352078), (220, 176039), (401, 96580), (439, 88220), (802, 48290), (878, 44110), (1604, 24145), (1756, 22055), (2005, 19316), (2195, 17644), (4010, 9658), (4390, 8822), (4411, 8780), (4829, 8020)]