129263800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{20849}}^1$

素因数の和:20896

約数の個数: 48

約数和(自身を含む): 310248000

約数和(自身を除く): 180984200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 6200, 20849, 41698, 83396, 104245, 166792, 208490, 416980, 521225, 646319, 833960, 1042450, 1292638, 2084900, 2585276, 3231595, 4169800, 5170552, 6463190, 12926380, 16157975, 25852760, 32315950, 64631900, 129263800]

約数ペア:

[(1, 129263800), (2, 64631900), (4, 32315950), (5, 25852760), (8, 16157975), (10, 12926380), (20, 6463190), (25, 5170552), (31, 4169800), (40, 3231595), (50, 2585276), (62, 2084900), (100, 1292638), (124, 1042450), (155, 833960), (200, 646319), (248, 521225), (310, 416980), (620, 208490), (775, 166792), (1240, 104245), (1550, 83396), (3100, 41698), (6200, 20849)]