26666780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{27211}}^1$

素因数の和:27234

約数の個数: 36

約数和(自身を含む): 65145528

約数和(自身を除く): 38478748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 27211, 54422, 108844, 136055, 190477, 272110, 380954, 544220, 761908, 952385, 1333339, 1904770, 2666678, 3809540, 5333356, 6666695, 13333390, 26666780]

約数ペア:

[(1, 26666780), (2, 13333390), (4, 6666695), (5, 5333356), (7, 3809540), (10, 2666678), (14, 1904770), (20, 1333339), (28, 952385), (35, 761908), (49, 544220), (70, 380954), (98, 272110), (140, 190477), (196, 136055), (245, 108844), (490, 54422), (980, 27211)]