25210900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 67370688

約数和(自身を除く): 42159788

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 41, 43, 44, 50, 52, 55, 65, 82, 86, 100, 110, 130, 143, 164, 172, 205, 215, 220, 260, 275, 286, 325, 410, 430, 451, 473, 533, 550, 559, 572, 650, 715, 820, 860, 902, 946, 1025, 1066, 1075, 1100, 1118, 1300, 1430, 1763, 1804, 1892, 2050, 2132, 2150, 2236, 2255, 2365, 2665, 2795, 2860, 3526, 3575, 4100, 4300, 4510, 4730, 5330, 5590, 5863, 6149, 7052, 7150, 8815, 9020, 9460, 10660, 11180, 11275, 11726, 11825, 12298, 13325, 13975, 14300, 17630, 19393, 22550, 22919, 23452, 23650, 24596, 26650, 27950, 29315, 30745, 35260, 38786, 44075, 45100, 45838, 47300, 53300, 55900, 58630, 61490, 77572, 88150, 91676, 96965, 114595, 117260, 122980, 146575, 153725, 176300, 193930, 229190, 252109, 293150, 307450, 387860, 458380, 484825, 504218, 572975, 586300, 614900, 969650, 1008436, 1145950, 1260545, 1939300, 2291900, 2521090, 5042180, 6302725, 12605450, 25210900]

約数ペア:

[(1, 25210900), (2, 12605450), (4, 6302725), (5, 5042180), (10, 2521090), (11, 2291900), (13, 1939300), (20, 1260545), (22, 1145950), (25, 1008436), (26, 969650), (41, 614900), (43, 586300), (44, 572975), (50, 504218), (52, 484825), (55, 458380), (65, 387860), (82, 307450), (86, 293150), (100, 252109), (110, 229190), (130, 193930), (143, 176300), (164, 153725), (172, 146575), (205, 122980), (215, 117260), (220, 114595), (260, 96965), (275, 91676), (286, 88150), (325, 77572), (410, 61490), (430, 58630), (451, 55900), (473, 53300), (533, 47300), (550, 45838), (559, 45100), (572, 44075), (650, 38786), (715, 35260), (820, 30745), (860, 29315), (902, 27950), (946, 26650), (1025, 24596), (1066, 23650), (1075, 23452), (1100, 22919), (1118, 22550), (1300, 19393), (1430, 17630), (1763, 14300), (1804, 13975), (1892, 13325), (2050, 12298), (2132, 11825), (2150, 11726), (2236, 11275), (2255, 11180), (2365, 10660), (2665, 9460), (2795, 9020), (2860, 8815), (3526, 7150), (3575, 7052), (4100, 6149), (4300, 5863), (4510, 5590), (4730, 5330)]