268876280

素因数分解:

$2^3\times 5^1\times {\mathrm{863}}^1\times {\mathrm{7789}}^1$

素因数の和:8663

約数の個数: 32

約数和(自身を含む): 605750400

約数和(自身を除く): 336874120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 863, 1726, 3452, 4315, 6904, 7789, 8630, 15578, 17260, 31156, 34520, 38945, 62312, 77890, 155780, 311560, 6721907, 13443814, 26887628, 33609535, 53775256, 67219070, 134438140, 268876280]

約数ペア:

[(1, 268876280), (2, 134438140), (4, 67219070), (5, 53775256), (8, 33609535), (10, 26887628), (20, 13443814), (40, 6721907), (863, 311560), (1726, 155780), (3452, 77890), (4315, 62312), (6904, 38945), (7789, 34520), (8630, 31156), (15578, 17260)]