12391040

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1019}}^1$

素因数の和:1057

約数の個数: 64

約数和(自身を含む): 31212000

約数和(自身を除く): 18820960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1019, 1216, 1520, 2038, 2432, 3040, 4076, 5095, 6080, 8152, 10190, 12160, 16304, 19361, 20380, 32608, 38722, 40760, 65216, 77444, 81520, 96805, 130432, 154888, 163040, 193610, 309776, 326080, 387220, 619552, 652160, 774440, 1239104, 1548880, 2478208, 3097760, 6195520, 12391040]

約数ペア:

[(1, 12391040), (2, 6195520), (4, 3097760), (5, 2478208), (8, 1548880), (10, 1239104), (16, 774440), (19, 652160), (20, 619552), (32, 387220), (38, 326080), (40, 309776), (64, 193610), (76, 163040), (80, 154888), (95, 130432), (128, 96805), (152, 81520), (160, 77444), (190, 65216), (304, 40760), (320, 38722), (380, 32608), (608, 20380), (640, 19361), (760, 16304), (1019, 12160), (1216, 10190), (1520, 8152), (2038, 6080), (2432, 5095), (3040, 4076)]