81003350

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 154677600

約数和(自身を除く): 73674250

約数列:

[1, 2, 5, 10, 25, 50, 89, 109, 167, 178, 218, 334, 445, 545, 835, 890, 1090, 1670, 2225, 2725, 4175, 4450, 5450, 8350, 9701, 14863, 18203, 19402, 29726, 36406, 48505, 74315, 91015, 97010, 148630, 182030, 242525, 371575, 455075, 485050, 743150, 910150, 1620067, 3240134, 8100335, 16200670, 40501675, 81003350]

約数ペア:

[(1, 81003350), (2, 40501675), (5, 16200670), (10, 8100335), (25, 3240134), (50, 1620067), (89, 910150), (109, 743150), (167, 485050), (178, 455075), (218, 371575), (334, 242525), (445, 182030), (545, 148630), (835, 97010), (890, 91015), (1090, 74315), (1670, 48505), (2225, 36406), (2725, 29726), (4175, 19402), (4450, 18203), (5450, 14863), (8350, 9701)]