27489040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 66977856

約数和(自身を除く): 39488816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 61, 80, 86, 122, 131, 172, 215, 244, 262, 305, 344, 430, 488, 524, 610, 655, 688, 860, 976, 1048, 1220, 1310, 1720, 2096, 2440, 2620, 2623, 3440, 4880, 5240, 5246, 5633, 7991, 10480, 10492, 11266, 13115, 15982, 20984, 22532, 26230, 28165, 31964, 39955, 41968, 45064, 52460, 56330, 63928, 79910, 90128, 104920, 112660, 127856, 159820, 209840, 225320, 319640, 343613, 450640, 639280, 687226, 1374452, 1718065, 2748904, 3436130, 5497808, 6872260, 13744520, 27489040]

約数ペア:

[(1, 27489040), (2, 13744520), (4, 6872260), (5, 5497808), (8, 3436130), (10, 2748904), (16, 1718065), (20, 1374452), (40, 687226), (43, 639280), (61, 450640), (80, 343613), (86, 319640), (122, 225320), (131, 209840), (172, 159820), (215, 127856), (244, 112660), (262, 104920), (305, 90128), (344, 79910), (430, 63928), (488, 56330), (524, 52460), (610, 45064), (655, 41968), (688, 39955), (860, 31964), (976, 28165), (1048, 26230), (1220, 22532), (1310, 20984), (1720, 15982), (2096, 13115), (2440, 11266), (2620, 10492), (2623, 10480), (3440, 7991), (4880, 5633), (5240, 5246)]