13286900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 32247936

約数和(自身を除く): 18961036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 47, 50, 55, 94, 100, 110, 188, 220, 235, 257, 275, 470, 514, 517, 550, 940, 1028, 1034, 1100, 1175, 1285, 2068, 2350, 2570, 2585, 2827, 4700, 5140, 5170, 5654, 6425, 10340, 11308, 12079, 12850, 12925, 14135, 24158, 25700, 25850, 28270, 48316, 51700, 56540, 60395, 70675, 120790, 132869, 141350, 241580, 265738, 282700, 301975, 531476, 603950, 664345, 1207900, 1328690, 2657380, 3321725, 6643450, 13286900]

約数ペア:

[(1, 13286900), (2, 6643450), (4, 3321725), (5, 2657380), (10, 1328690), (11, 1207900), (20, 664345), (22, 603950), (25, 531476), (44, 301975), (47, 282700), (50, 265738), (55, 241580), (94, 141350), (100, 132869), (110, 120790), (188, 70675), (220, 60395), (235, 56540), (257, 51700), (275, 48316), (470, 28270), (514, 25850), (517, 25700), (550, 24158), (940, 14135), (1028, 12925), (1034, 12850), (1100, 12079), (1175, 11308), (1285, 10340), (2068, 6425), (2350, 5654), (2570, 5170), (2585, 5140), (2827, 4700)]