40781680

素因数分解:

$2^4\times 5^1\times {\mathrm{709}}^1\times {\mathrm{719}}^1$

素因数の和:1441

約数の個数: 40

約数和(自身を含む): 95083200

約数和(自身を除く): 54301520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 709, 719, 1418, 1438, 2836, 2876, 3545, 3595, 5672, 5752, 7090, 7190, 11344, 11504, 14180, 14380, 28360, 28760, 56720, 57520, 509771, 1019542, 2039084, 2548855, 4078168, 5097710, 8156336, 10195420, 20390840, 40781680]

約数ペア:

[(1, 40781680), (2, 20390840), (4, 10195420), (5, 8156336), (8, 5097710), (10, 4078168), (16, 2548855), (20, 2039084), (40, 1019542), (80, 509771), (709, 57520), (719, 56720), (1418, 28760), (1438, 28360), (2836, 14380), (2876, 14180), (3545, 11504), (3595, 11344), (5672, 7190), (5752, 7090)]