287984560

素因数分解:

$2^4\times 5^1\times {\mathrm{547}}^1\times {\mathrm{6581}}^1$

素因数の和:7141

約数の個数: 40

約数和(自身を含む): 670890096

約数和(自身を除く): 382905536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 547, 1094, 2188, 2735, 4376, 5470, 6581, 8752, 10940, 13162, 21880, 26324, 32905, 43760, 52648, 65810, 105296, 131620, 263240, 526480, 3599807, 7199614, 14399228, 17999035, 28798456, 35998070, 57596912, 71996140, 143992280, 287984560]

約数ペア:

[(1, 287984560), (2, 143992280), (4, 71996140), (5, 57596912), (8, 35998070), (10, 28798456), (16, 17999035), (20, 14399228), (40, 7199614), (80, 3599807), (547, 526480), (1094, 263240), (2188, 131620), (2735, 105296), (4376, 65810), (5470, 52648), (6581, 43760), (8752, 32905), (10940, 26324), (13162, 21880)]