66116740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1399}}^1$

素因数の和:1564

約数の個数: 48

約数和(自身を含む): 148176000

約数和(自身を除く): 82059260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 556, 695, 1390, 1399, 2363, 2780, 2798, 4726, 5596, 6995, 9452, 11815, 13990, 23630, 23783, 27980, 47260, 47566, 95132, 118915, 194461, 237830, 388922, 475660, 777844, 972305, 1944610, 3305837, 3889220, 6611674, 13223348, 16529185, 33058370, 66116740]

約数ペア:

[(1, 66116740), (2, 33058370), (4, 16529185), (5, 13223348), (10, 6611674), (17, 3889220), (20, 3305837), (34, 1944610), (68, 972305), (85, 777844), (139, 475660), (170, 388922), (278, 237830), (340, 194461), (556, 118915), (695, 95132), (1390, 47566), (1399, 47260), (2363, 27980), (2780, 23783), (2798, 23630), (4726, 13990), (5596, 11815), (6995, 9452)]