39906290

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 73903104

約数和(自身を除く): 33996814

約数列:

[1, 2, 5, 10, 47, 94, 197, 235, 394, 431, 470, 862, 985, 1970, 2155, 4310, 9259, 18518, 20257, 40514, 46295, 84907, 92590, 101285, 169814, 202570, 424535, 849070, 3990629, 7981258, 19953145, 39906290]

約数ペア:

[(1, 39906290), (2, 19953145), (5, 7981258), (10, 3990629), (47, 849070), (94, 424535), (197, 202570), (235, 169814), (394, 101285), (431, 92590), (470, 84907), (862, 46295), (985, 40514), (1970, 20257), (2155, 18518), (4310, 9259)]