25887290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 56149632

約数和(自身を除く): 30262342

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 43, 55, 65, 86, 110, 130, 143, 215, 286, 421, 430, 473, 559, 715, 842, 946, 1118, 1430, 2105, 2365, 2795, 4210, 4631, 4730, 5473, 5590, 6149, 9262, 10946, 12298, 18103, 23155, 27365, 30745, 36206, 46310, 54730, 60203, 61490, 90515, 120406, 181030, 199133, 235339, 301015, 398266, 470678, 602030, 995665, 1176695, 1991330, 2353390, 2588729, 5177458, 12943645, 25887290]

約数ペア:

[(1, 25887290), (2, 12943645), (5, 5177458), (10, 2588729), (11, 2353390), (13, 1991330), (22, 1176695), (26, 995665), (43, 602030), (55, 470678), (65, 398266), (86, 301015), (110, 235339), (130, 199133), (143, 181030), (215, 120406), (286, 90515), (421, 61490), (430, 60203), (473, 54730), (559, 46310), (715, 36206), (842, 30745), (946, 27365), (1118, 23155), (1430, 18103), (2105, 12298), (2365, 10946), (2795, 9262), (4210, 6149), (4631, 5590), (4730, 5473)]