87111040

素因数分解:

$2^7\times 5^1\times {\mathrm{136111}}^1$

素因数の和:136130

約数の個数: 32

約数和(自身を含む): 208251360

約数和(自身を除く): 121140320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 136111, 272222, 544444, 680555, 1088888, 1361110, 2177776, 2722220, 4355552, 5444440, 8711104, 10888880, 17422208, 21777760, 43555520, 87111040]

約数ペア:

[(1, 87111040), (2, 43555520), (4, 21777760), (5, 17422208), (8, 10888880), (10, 8711104), (16, 5444440), (20, 4355552), (32, 2722220), (40, 2177776), (64, 1361110), (80, 1088888), (128, 680555), (160, 544444), (320, 272222), (640, 136111)]