27877760

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1013}}^1$

素因数の和:1075

約数の個数: 64

約数和(自身を含む): 68262480

約数和(自身を除く): 40384720

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, 1013, 1376, 1720, 2026, 2752, 3440, 4052, 5065, 5504, 6880, 8104, 10130, 13760, 16208, 20260, 27520, 32416, 40520, 43559, 64832, 81040, 87118, 129664, 162080, 174236, 217795, 324160, 348472, 435590, 648320, 696944, 871180, 1393888, 1742360, 2787776, 3484720, 5575552, 6969440, 13938880, 27877760]

約数ペア:

[(1, 27877760), (2, 13938880), (4, 6969440), (5, 5575552), (8, 3484720), (10, 2787776), (16, 1742360), (20, 1393888), (32, 871180), (40, 696944), (43, 648320), (64, 435590), (80, 348472), (86, 324160), (128, 217795), (160, 174236), (172, 162080), (215, 129664), (320, 87118), (344, 81040), (430, 64832), (640, 43559), (688, 40520), (860, 32416), (1013, 27520), (1376, 20260), (1720, 16208), (2026, 13760), (2752, 10130), (3440, 8104), (4052, 6880), (5065, 5504)]