87101680

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{8573}}^1$

素因数の和:8713

約数の個数: 40

約数和(自身を含む): 204129792

約数和(自身を除く): 117028112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 8573, 10160, 17146, 34292, 42865, 68584, 85730, 137168, 171460, 342920, 685840, 1088771, 2177542, 4355084, 5443855, 8710168, 10887710, 17420336, 21775420, 43550840, 87101680]

約数ペア:

[(1, 87101680), (2, 43550840), (4, 21775420), (5, 17420336), (8, 10887710), (10, 8710168), (16, 5443855), (20, 4355084), (40, 2177542), (80, 1088771), (127, 685840), (254, 342920), (508, 171460), (635, 137168), (1016, 85730), (1270, 68584), (2032, 42865), (2540, 34292), (5080, 17146), (8573, 10160)]