12691660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 27623232

約数和(自身を除く): 14931572

約数列:

[1, 2, 4, 5, 10, 20, 61, 101, 103, 122, 202, 206, 244, 305, 404, 412, 505, 515, 610, 1010, 1030, 1220, 2020, 2060, 6161, 6283, 10403, 12322, 12566, 20806, 24644, 25132, 30805, 31415, 41612, 52015, 61610, 62830, 104030, 123220, 125660, 208060, 634583, 1269166, 2538332, 3172915, 6345830, 12691660]

約数ペア:

[(1, 12691660), (2, 6345830), (4, 3172915), (5, 2538332), (10, 1269166), (20, 634583), (61, 208060), (101, 125660), (103, 123220), (122, 104030), (202, 62830), (206, 61610), (244, 52015), (305, 41612), (404, 31415), (412, 30805), (505, 25132), (515, 24644), (610, 20806), (1010, 12566), (1030, 12322), (1220, 10403), (2020, 6283), (2060, 6161)]