12730720

素因数分解:

$2^5\times 5^1\times {\mathrm{251}}^1\times {\mathrm{317}}^1$

素因数の和:583

約数の個数: 48

約数和(自身を含む): 30291408

約数和(自身を除く): 17560688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 251, 317, 502, 634, 1004, 1255, 1268, 1585, 2008, 2510, 2536, 3170, 4016, 5020, 5072, 6340, 8032, 10040, 10144, 12680, 20080, 25360, 40160, 50720, 79567, 159134, 318268, 397835, 636536, 795670, 1273072, 1591340, 2546144, 3182680, 6365360, 12730720]

約数ペア:

[(1, 12730720), (2, 6365360), (4, 3182680), (5, 2546144), (8, 1591340), (10, 1273072), (16, 795670), (20, 636536), (32, 397835), (40, 318268), (80, 159134), (160, 79567), (251, 50720), (317, 40160), (502, 25360), (634, 20080), (1004, 12680), (1255, 10144), (1268, 10040), (1585, 8032), (2008, 6340), (2510, 5072), (2536, 5020), (3170, 4016)]