25240880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:211

約数の個数: 120

約数和(自身を含む): 70227648

約数和(自身を除く): 44986768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 49, 56, 70, 80, 94, 98, 112, 137, 140, 188, 196, 235, 245, 274, 280, 329, 376, 392, 470, 490, 548, 560, 658, 685, 752, 784, 940, 959, 980, 1096, 1316, 1370, 1645, 1880, 1918, 1960, 2192, 2303, 2632, 2740, 3290, 3760, 3836, 3920, 4606, 4795, 5264, 5480, 6439, 6580, 6713, 7672, 9212, 9590, 10960, 11515, 12878, 13160, 13426, 15344, 18424, 19180, 23030, 25756, 26320, 26852, 32195, 33565, 36848, 38360, 45073, 46060, 51512, 53704, 64390, 67130, 76720, 90146, 92120, 103024, 107408, 128780, 134260, 180292, 184240, 225365, 257560, 268520, 315511, 360584, 450730, 515120, 537040, 631022, 721168, 901460, 1262044, 1577555, 1802920, 2524088, 3155110, 3605840, 5048176, 6310220, 12620440, 25240880]

約数ペア:

[(1, 25240880), (2, 12620440), (4, 6310220), (5, 5048176), (7, 3605840), (8, 3155110), (10, 2524088), (14, 1802920), (16, 1577555), (20, 1262044), (28, 901460), (35, 721168), (40, 631022), (47, 537040), (49, 515120), (56, 450730), (70, 360584), (80, 315511), (94, 268520), (98, 257560), (112, 225365), (137, 184240), (140, 180292), (188, 134260), (196, 128780), (235, 107408), (245, 103024), (274, 92120), (280, 90146), (329, 76720), (376, 67130), (392, 64390), (470, 53704), (490, 51512), (548, 46060), (560, 45073), (658, 38360), (685, 36848), (752, 33565), (784, 32195), (940, 26852), (959, 26320), (980, 25756), (1096, 23030), (1316, 19180), (1370, 18424), (1645, 15344), (1880, 13426), (1918, 13160), (1960, 12878), (2192, 11515), (2303, 10960), (2632, 9590), (2740, 9212), (3290, 7672), (3760, 6713), (3836, 6580), (3920, 6439), (4606, 5480), (4795, 5264)]