13236520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 33048000

約数和(自身を除く): 19811480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 449, 536, 670, 737, 898, 1340, 1474, 1796, 2245, 2680, 2948, 3592, 3685, 4490, 4939, 5896, 7370, 8980, 9878, 14740, 17960, 19756, 24695, 29480, 30083, 39512, 49390, 60166, 98780, 120332, 150415, 197560, 240664, 300830, 330913, 601660, 661826, 1203320, 1323652, 1654565, 2647304, 3309130, 6618260, 13236520]

約数ペア:

[(1, 13236520), (2, 6618260), (4, 3309130), (5, 2647304), (8, 1654565), (10, 1323652), (11, 1203320), (20, 661826), (22, 601660), (40, 330913), (44, 300830), (55, 240664), (67, 197560), (88, 150415), (110, 120332), (134, 98780), (220, 60166), (268, 49390), (335, 39512), (440, 30083), (449, 29480), (536, 24695), (670, 19756), (737, 17960), (898, 14740), (1340, 9878), (1474, 8980), (1796, 7370), (2245, 5896), (2680, 4939), (2948, 4490), (3592, 3685)]