123865040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{119101}}^1$

素因数の和:119127

約数の個数: 40

約数和(自身を含む): 310141608

約数和(自身を除く): 186276568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 119101, 238202, 476404, 595505, 952808, 1191010, 1548313, 1905616, 2382020, 3096626, 4764040, 6193252, 7741565, 9528080, 12386504, 15483130, 24773008, 30966260, 61932520, 123865040]

約数ペア:

[(1, 123865040), (2, 61932520), (4, 30966260), (5, 24773008), (8, 15483130), (10, 12386504), (13, 9528080), (16, 7741565), (20, 6193252), (26, 4764040), (40, 3096626), (52, 2382020), (65, 1905616), (80, 1548313), (104, 1191010), (130, 952808), (208, 595505), (260, 476404), (520, 238202), (1040, 119101)]