91130120

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{17939}}^1$

素因数の和:18077

約数の個数: 32

約数和(自身を含む): 206668800

約数和(自身を除く): 115538680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 17939, 35878, 71756, 89695, 143512, 179390, 358780, 717560, 2278253, 4556506, 9113012, 11391265, 18226024, 22782530, 45565060, 91130120]

約数ペア:

[(1, 91130120), (2, 45565060), (4, 22782530), (5, 18226024), (8, 11391265), (10, 9113012), (20, 4556506), (40, 2278253), (127, 717560), (254, 358780), (508, 179390), (635, 143512), (1016, 89695), (1270, 71756), (2540, 35878), (5080, 17939)]