25850440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{109}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 75051900

約数和(自身を除く): 49201460

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 109, 110, 121, 140, 154, 196, 218, 220, 242, 245, 280, 308, 385, 392, 436, 440, 484, 490, 539, 545, 605, 616, 763, 770, 847, 872, 968, 980, 1078, 1090, 1199, 1210, 1526, 1540, 1694, 1960, 2156, 2180, 2398, 2420, 2695, 3052, 3080, 3388, 3815, 4235, 4312, 4360, 4796, 4840, 5341, 5390, 5929, 5995, 6104, 6776, 7630, 8393, 8470, 9592, 10682, 10780, 11858, 11990, 13189, 15260, 16786, 16940, 21364, 21560, 23716, 23980, 26378, 26705, 29645, 30520, 33572, 33880, 41965, 42728, 47432, 47960, 52756, 53410, 58751, 59290, 65945, 67144, 83930, 92323, 105512, 106820, 117502, 118580, 131890, 167860, 184646, 213640, 235004, 237160, 263780, 293755, 335720, 369292, 461615, 470008, 527560, 587510, 646261, 738584, 923230, 1175020, 1292522, 1846460, 2350040, 2585044, 3231305, 3692920, 5170088, 6462610, 12925220, 25850440]

約数ペア:

[(1, 25850440), (2, 12925220), (4, 6462610), (5, 5170088), (7, 3692920), (8, 3231305), (10, 2585044), (11, 2350040), (14, 1846460), (20, 1292522), (22, 1175020), (28, 923230), (35, 738584), (40, 646261), (44, 587510), (49, 527560), (55, 470008), (56, 461615), (70, 369292), (77, 335720), (88, 293755), (98, 263780), (109, 237160), (110, 235004), (121, 213640), (140, 184646), (154, 167860), (196, 131890), (218, 118580), (220, 117502), (242, 106820), (245, 105512), (280, 92323), (308, 83930), (385, 67144), (392, 65945), (436, 59290), (440, 58751), (484, 53410), (490, 52756), (539, 47960), (545, 47432), (605, 42728), (616, 41965), (763, 33880), (770, 33572), (847, 30520), (872, 29645), (968, 26705), (980, 26378), (1078, 23980), (1090, 23716), (1199, 21560), (1210, 21364), (1526, 16940), (1540, 16786), (1694, 15260), (1960, 13189), (2156, 11990), (2180, 11858), (2398, 10780), (2420, 10682), (2695, 9592), (3052, 8470), (3080, 8393), (3388, 7630), (3815, 6776), (4235, 6104), (4312, 5995), (4360, 5929), (4796, 5390), (4840, 5341)]