26999960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{379}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 66074400

約数和(自身を除く): 39074440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 137, 260, 274, 379, 520, 548, 685, 758, 1096, 1370, 1516, 1781, 1895, 2740, 3032, 3562, 3790, 4927, 5480, 7124, 7580, 8905, 9854, 14248, 15160, 17810, 19708, 24635, 35620, 39416, 49270, 51923, 71240, 98540, 103846, 197080, 207692, 259615, 415384, 519230, 674999, 1038460, 1349998, 2076920, 2699996, 3374995, 5399992, 6749990, 13499980, 26999960]

約数ペア:

[(1, 26999960), (2, 13499980), (4, 6749990), (5, 5399992), (8, 3374995), (10, 2699996), (13, 2076920), (20, 1349998), (26, 1038460), (40, 674999), (52, 519230), (65, 415384), (104, 259615), (130, 207692), (137, 197080), (260, 103846), (274, 98540), (379, 71240), (520, 51923), (548, 49270), (685, 39416), (758, 35620), (1096, 24635), (1370, 19708), (1516, 17810), (1781, 15160), (1895, 14248), (2740, 9854), (3032, 8905), (3562, 7580), (3790, 7124), (4927, 5480)]