26189540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{383}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 59609088

約数和(自身を除く): 33419548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263, 383, 526, 766, 1052, 1315, 1532, 1915, 2630, 3419, 3830, 4979, 5260, 6838, 7660, 9958, 13676, 17095, 19916, 24895, 34190, 49790, 68380, 99580, 100729, 201458, 402916, 503645, 1007290, 1309477, 2014580, 2618954, 5237908, 6547385, 13094770, 26189540]

約数ペア:

[(1, 26189540), (2, 13094770), (4, 6547385), (5, 5237908), (10, 2618954), (13, 2014580), (20, 1309477), (26, 1007290), (52, 503645), (65, 402916), (130, 201458), (260, 100729), (263, 99580), (383, 68380), (526, 49790), (766, 34190), (1052, 24895), (1315, 19916), (1532, 17095), (1915, 13676), (2630, 9958), (3419, 7660), (3830, 6838), (4979, 5260)]