71355520

素因数分解:

$2^7\times 5^1\times {\mathrm{111493}}^1$

素因数の和:111512

約数の個数: 32

約数和(自身を含む): 170585820

約数和(自身を除く): 99230300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 111493, 222986, 445972, 557465, 891944, 1114930, 1783888, 2229860, 3567776, 4459720, 7135552, 8919440, 14271104, 17838880, 35677760, 71355520]

約数ペア:

[(1, 71355520), (2, 35677760), (4, 17838880), (5, 14271104), (8, 8919440), (10, 7135552), (16, 4459720), (20, 3567776), (32, 2229860), (40, 1783888), (64, 1114930), (80, 891944), (128, 557465), (160, 445972), (320, 222986), (640, 111493)]