38969800

素因数分解:

$2^3\times 5^2\times {\mathrm{271}}^1\times {\mathrm{719}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 91065600

約数和(自身を除く): 52095800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 271, 542, 719, 1084, 1355, 1438, 2168, 2710, 2876, 3595, 5420, 5752, 6775, 7190, 10840, 13550, 14380, 17975, 27100, 28760, 35950, 54200, 71900, 143800, 194849, 389698, 779396, 974245, 1558792, 1948490, 3896980, 4871225, 7793960, 9742450, 19484900, 38969800]

約数ペア:

[(1, 38969800), (2, 19484900), (4, 9742450), (5, 7793960), (8, 4871225), (10, 3896980), (20, 1948490), (25, 1558792), (40, 974245), (50, 779396), (100, 389698), (200, 194849), (271, 143800), (542, 71900), (719, 54200), (1084, 35950), (1355, 28760), (1438, 27100), (2168, 17975), (2710, 14380), (2876, 13550), (3595, 10840), (5420, 7190), (5752, 6775)]