28430240

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1297}}^1$

素因数の和:1449

約数の個数: 48

約数和(自身を含む): 67708872

約数和(自身を除く): 39278632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1297, 1370, 2192, 2594, 2740, 4384, 5188, 5480, 6485, 10376, 10960, 12970, 20752, 21920, 25940, 41504, 51880, 103760, 177689, 207520, 355378, 710756, 888445, 1421512, 1776890, 2843024, 3553780, 5686048, 7107560, 14215120, 28430240]

約数ペア:

[(1, 28430240), (2, 14215120), (4, 7107560), (5, 5686048), (8, 3553780), (10, 2843024), (16, 1776890), (20, 1421512), (32, 888445), (40, 710756), (80, 355378), (137, 207520), (160, 177689), (274, 103760), (548, 51880), (685, 41504), (1096, 25940), (1297, 21920), (1370, 20752), (2192, 12970), (2594, 10960), (2740, 10376), (4384, 6485), (5188, 5480)]