26394680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{263}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 64532160

約数和(自身を除く): 38137480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 193, 260, 263, 386, 520, 526, 772, 965, 1052, 1315, 1544, 1930, 2104, 2509, 2630, 3419, 3860, 5018, 5260, 6838, 7720, 10036, 10520, 12545, 13676, 17095, 20072, 25090, 27352, 34190, 50180, 50759, 68380, 100360, 101518, 136760, 203036, 253795, 406072, 507590, 659867, 1015180, 1319734, 2030360, 2639468, 3299335, 5278936, 6598670, 13197340, 26394680]

約数ペア:

[(1, 26394680), (2, 13197340), (4, 6598670), (5, 5278936), (8, 3299335), (10, 2639468), (13, 2030360), (20, 1319734), (26, 1015180), (40, 659867), (52, 507590), (65, 406072), (104, 253795), (130, 203036), (193, 136760), (260, 101518), (263, 100360), (386, 68380), (520, 50759), (526, 50180), (772, 34190), (965, 27352), (1052, 25090), (1315, 20072), (1544, 17095), (1930, 13676), (2104, 12545), (2509, 10520), (2630, 10036), (3419, 7720), (3860, 6838), (5018, 5260)]