55164740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 119159040

約数和(自身を除く): 63994300

約数列:

[1, 2, 4, 5, 10, 20, 61, 103, 122, 206, 244, 305, 412, 439, 515, 610, 878, 1030, 1220, 1756, 2060, 2195, 4390, 6283, 8780, 12566, 25132, 26779, 31415, 45217, 53558, 62830, 90434, 107116, 125660, 133895, 180868, 226085, 267790, 452170, 535580, 904340, 2758237, 5516474, 11032948, 13791185, 27582370, 55164740]

約数ペア:

[(1, 55164740), (2, 27582370), (4, 13791185), (5, 11032948), (10, 5516474), (20, 2758237), (61, 904340), (103, 535580), (122, 452170), (206, 267790), (244, 226085), (305, 180868), (412, 133895), (439, 125660), (515, 107116), (610, 90434), (878, 62830), (1030, 53558), (1220, 45217), (1756, 31415), (2060, 26779), (2195, 25132), (4390, 12566), (6283, 8780)]