61656980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{40037}}^1$

素因数の和:40064

約数の個数: 48

約数和(自身を含む): 161433216

約数和(自身を除く): 99776236

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 40037, 80074, 160148, 200185, 280259, 400370, 440407, 560518, 800740, 880814, 1121036, 1401295, 1761628, 2202035, 2802590, 3082849, 4404070, 5605180, 6165698, 8808140, 12331396, 15414245, 30828490, 61656980]

約数ペア:

[(1, 61656980), (2, 30828490), (4, 15414245), (5, 12331396), (7, 8808140), (10, 6165698), (11, 5605180), (14, 4404070), (20, 3082849), (22, 2802590), (28, 2202035), (35, 1761628), (44, 1401295), (55, 1121036), (70, 880814), (77, 800740), (110, 560518), (140, 440407), (154, 400370), (220, 280259), (308, 200185), (385, 160148), (770, 80074), (1540, 40037)]