65938660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{829}}^1$

素因数の和:976

約数の個数: 48

約数和(自身を含む): 143483760

約数和(自身を除く): 77545100

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 97, 164, 194, 205, 388, 410, 485, 820, 829, 970, 1658, 1940, 3316, 3977, 4145, 7954, 8290, 15908, 16580, 19885, 33989, 39770, 67978, 79540, 80413, 135956, 160826, 169945, 321652, 339890, 402065, 679780, 804130, 1608260, 3296933, 6593866, 13187732, 16484665, 32969330, 65938660]

約数ペア:

[(1, 65938660), (2, 32969330), (4, 16484665), (5, 13187732), (10, 6593866), (20, 3296933), (41, 1608260), (82, 804130), (97, 679780), (164, 402065), (194, 339890), (205, 321652), (388, 169945), (410, 160826), (485, 135956), (820, 80413), (829, 79540), (970, 67978), (1658, 39770), (1940, 33989), (3316, 19885), (3977, 16580), (4145, 15908), (7954, 8290)]