28927400

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{2729}}^1$

素因数の和:2798

約数の個数: 48

約数和(自身を含む): 68550300

約数和(自身を除く): 39622900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 424, 530, 1060, 1325, 2120, 2650, 2729, 5300, 5458, 10600, 10916, 13645, 21832, 27290, 54580, 68225, 109160, 136450, 144637, 272900, 289274, 545800, 578548, 723185, 1157096, 1446370, 2892740, 3615925, 5785480, 7231850, 14463700, 28927400]

約数ペア:

[(1, 28927400), (2, 14463700), (4, 7231850), (5, 5785480), (8, 3615925), (10, 2892740), (20, 1446370), (25, 1157096), (40, 723185), (50, 578548), (53, 545800), (100, 289274), (106, 272900), (200, 144637), (212, 136450), (265, 109160), (424, 68225), (530, 54580), (1060, 27290), (1325, 21832), (2120, 13645), (2650, 10916), (2729, 10600), (5300, 5458)]