55342720

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2011}}^1$

素因数の和:2073

約数の個数: 64

約数和(自身を含む): 135447840

約数和(自身を除く): 80105120

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, 1376, 1720, 2011, 2752, 3440, 4022, 5504, 6880, 8044, 10055, 13760, 16088, 20110, 27520, 32176, 40220, 64352, 80440, 86473, 128704, 160880, 172946, 257408, 321760, 345892, 432365, 643520, 691784, 864730, 1287040, 1383568, 1729460, 2767136, 3458920, 5534272, 6917840, 11068544, 13835680, 27671360, 55342720]

約数ペア:

[(1, 55342720), (2, 27671360), (4, 13835680), (5, 11068544), (8, 6917840), (10, 5534272), (16, 3458920), (20, 2767136), (32, 1729460), (40, 1383568), (43, 1287040), (64, 864730), (80, 691784), (86, 643520), (128, 432365), (160, 345892), (172, 321760), (215, 257408), (320, 172946), (344, 160880), (430, 128704), (640, 86473), (688, 80440), (860, 64352), (1376, 40220), (1720, 32176), (2011, 27520), (2752, 20110), (3440, 16088), (4022, 13760), (5504, 10055), (6880, 8044)]