39991070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{883}}^1$

素因数の和:1544

約数の個数: 32

約数和(自身を含む): 82487808

約数和(自身を除く): 42496738

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 647, 883, 1294, 1766, 3235, 4415, 4529, 6181, 6470, 8830, 9058, 12362, 22645, 30905, 45290, 61810, 571301, 1142602, 2856505, 3999107, 5713010, 7998214, 19995535, 39991070]

約数ペア:

[(1, 39991070), (2, 19995535), (5, 7998214), (7, 5713010), (10, 3999107), (14, 2856505), (35, 1142602), (70, 571301), (647, 61810), (883, 45290), (1294, 30905), (1766, 22645), (3235, 12362), (4415, 9058), (4529, 8830), (6181, 6470)]