40880960

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2971}}^1$

素因数の和:3031

約数の個数: 56

約数和(自身を含む): 99645216

約数和(自身を除く): 58764256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 2971, 3440, 5942, 6880, 11884, 13760, 14855, 23768, 29710, 47536, 59420, 95072, 118840, 127753, 190144, 237680, 255506, 475360, 511012, 638765, 950720, 1022024, 1277530, 2044048, 2555060, 4088096, 5110120, 8176192, 10220240, 20440480, 40880960]

約数ペア:

[(1, 40880960), (2, 20440480), (4, 10220240), (5, 8176192), (8, 5110120), (10, 4088096), (16, 2555060), (20, 2044048), (32, 1277530), (40, 1022024), (43, 950720), (64, 638765), (80, 511012), (86, 475360), (160, 255506), (172, 237680), (215, 190144), (320, 127753), (344, 118840), (430, 95072), (688, 59420), (860, 47536), (1376, 29710), (1720, 23768), (2752, 14855), (2971, 13760), (3440, 11884), (5942, 6880)]