29198720

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1061}}^1$

素因数の和:1123

約数の個数: 64

約数和(自身を含む): 71493840

約数和(自身を除く): 42295120

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, 1061, 1376, 1720, 2122, 2752, 3440, 4244, 5305, 5504, 6880, 8488, 10610, 13760, 16976, 21220, 27520, 33952, 42440, 45623, 67904, 84880, 91246, 135808, 169760, 182492, 228115, 339520, 364984, 456230, 679040, 729968, 912460, 1459936, 1824920, 2919872, 3649840, 5839744, 7299680, 14599360, 29198720]

約数ペア:

[(1, 29198720), (2, 14599360), (4, 7299680), (5, 5839744), (8, 3649840), (10, 2919872), (16, 1824920), (20, 1459936), (32, 912460), (40, 729968), (43, 679040), (64, 456230), (80, 364984), (86, 339520), (128, 228115), (160, 182492), (172, 169760), (215, 135808), (320, 91246), (344, 84880), (430, 67904), (640, 45623), (688, 42440), (860, 33952), (1061, 27520), (1376, 21220), (1720, 16976), (2122, 13760), (2752, 10610), (3440, 8488), (4244, 6880), (5305, 5504)]