39518180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4903}}^1$

素因数の和:4956

約数の個数: 48

約数和(自身を含む): 92273664

約数和(自身を除く): 52755484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 4903, 8060, 9806, 19612, 24515, 49030, 63739, 98060, 127478, 151993, 254956, 303986, 318695, 607972, 637390, 759965, 1274780, 1519930, 1975909, 3039860, 3951818, 7903636, 9879545, 19759090, 39518180]

約数ペア:

[(1, 39518180), (2, 19759090), (4, 9879545), (5, 7903636), (10, 3951818), (13, 3039860), (20, 1975909), (26, 1519930), (31, 1274780), (52, 759965), (62, 637390), (65, 607972), (124, 318695), (130, 303986), (155, 254956), (260, 151993), (310, 127478), (403, 98060), (620, 63739), (806, 49030), (1612, 24515), (2015, 19612), (4030, 9806), (4903, 8060)]