26887040

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1$

素因数の和:1039

約数の個数: 64

約数和(自身を含む): 65838960

約数和(自身を除く): 38951920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 977, 1376, 1720, 1954, 2752, 3440, 3908, 4885, 5504, 6880, 7816, 9770, 13760, 15632, 19540, 27520, 31264, 39080, 42011, 62528, 78160, 84022, 125056, 156320, 168044, 210055, 312640, 336088, 420110, 625280, 672176, 840220, 1344352, 1680440, 2688704, 3360880, 5377408, 6721760, 13443520, 26887040]

約数ペア:

[(1, 26887040), (2, 13443520), (4, 6721760), (5, 5377408), (8, 3360880), (10, 2688704), (16, 1680440), (20, 1344352), (32, 840220), (40, 672176), (43, 625280), (64, 420110), (80, 336088), (86, 312640), (128, 210055), (160, 168044), (172, 156320), (215, 125056), (320, 84022), (344, 78160), (430, 62528), (640, 42011), (688, 39080), (860, 31264), (977, 27520), (1376, 19540), (1720, 15632), (1954, 13760), (2752, 9770), (3440, 7816), (3908, 6880), (4885, 5504)]