201237520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{20789}}^1$

素因数の和:20824

約数の個数: 60

約数和(自身を含む): 514303020

約数和(自身を除く): 313065500

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 9680, 20789, 41578, 83156, 103945, 166312, 207890, 228679, 332624, 415780, 457358, 831560, 914716, 1143395, 1663120, 1829432, 2286790, 2515469, 3658864, 4573580, 5030938, 9147160, 10061876, 12577345, 18294320, 20123752, 25154690, 40247504, 50309380, 100618760, 201237520]

約数ペア:

[(1, 201237520), (2, 100618760), (4, 50309380), (5, 40247504), (8, 25154690), (10, 20123752), (11, 18294320), (16, 12577345), (20, 10061876), (22, 9147160), (40, 5030938), (44, 4573580), (55, 3658864), (80, 2515469), (88, 2286790), (110, 1829432), (121, 1663120), (176, 1143395), (220, 914716), (242, 831560), (440, 457358), (484, 415780), (605, 332624), (880, 228679), (968, 207890), (1210, 166312), (1936, 103945), (2420, 83156), (4840, 41578), (9680, 20789)]