85631360

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1997}}^1$

素因数の和:2083

約数の個数: 64

約数和(自身を含む): 207871920

約数和(自身を除く): 122240560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 536, 640, 670, 1072, 1340, 1997, 2144, 2680, 3994, 4288, 5360, 7988, 8576, 9985, 10720, 15976, 19970, 21440, 31952, 39940, 42880, 63904, 79880, 127808, 133799, 159760, 255616, 267598, 319520, 535196, 639040, 668995, 1070392, 1278080, 1337990, 2140784, 2675980, 4281568, 5351960, 8563136, 10703920, 17126272, 21407840, 42815680, 85631360]

約数ペア:

[(1, 85631360), (2, 42815680), (4, 21407840), (5, 17126272), (8, 10703920), (10, 8563136), (16, 5351960), (20, 4281568), (32, 2675980), (40, 2140784), (64, 1337990), (67, 1278080), (80, 1070392), (128, 668995), (134, 639040), (160, 535196), (268, 319520), (320, 267598), (335, 255616), (536, 159760), (640, 133799), (670, 127808), (1072, 79880), (1340, 63904), (1997, 42880), (2144, 39940), (2680, 31952), (3994, 21440), (4288, 19970), (5360, 15976), (7988, 10720), (8576, 9985)]