4007800

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 9653400

約数和(自身を除く): 5645600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 580, 691, 725, 1160, 1382, 1450, 2764, 2900, 3455, 5528, 5800, 6910, 13820, 17275, 20039, 27640, 34550, 40078, 69100, 80156, 100195, 138200, 160312, 200390, 400780, 500975, 801560, 1001950, 2003900, 4007800]

約数ペア:

[(1, 4007800), (2, 2003900), (4, 1001950), (5, 801560), (8, 500975), (10, 400780), (20, 200390), (25, 160312), (29, 138200), (40, 100195), (50, 80156), (58, 69100), (100, 40078), (116, 34550), (145, 27640), (200, 20039), (232, 17275), (290, 13820), (580, 6910), (691, 5800), (725, 5528), (1160, 3455), (1382, 2900), (1450, 2764)]