12451840

素因数分解:

$2^{17}\times 5^1\times {\mathrm{19}}^1$

素因数の和:58

約数の個数: 72

約数和(自身を含む): 31457160

約数和(自身を除く): 19005320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1024, 1216, 1280, 1520, 2048, 2432, 2560, 3040, 4096, 4864, 5120, 6080, 8192, 9728, 10240, 12160, 16384, 19456, 20480, 24320, 32768, 38912, 40960, 48640, 65536, 77824, 81920, 97280, 131072, 155648, 163840, 194560, 311296, 327680, 389120, 622592, 655360, 778240, 1245184, 1556480, 2490368, 3112960, 6225920, 12451840]

約数ペア:

[(1, 12451840), (2, 6225920), (4, 3112960), (5, 2490368), (8, 1556480), (10, 1245184), (16, 778240), (19, 655360), (20, 622592), (32, 389120), (38, 327680), (40, 311296), (64, 194560), (76, 163840), (80, 155648), (95, 131072), (128, 97280), (152, 81920), (160, 77824), (190, 65536), (256, 48640), (304, 40960), (320, 38912), (380, 32768), (512, 24320), (608, 20480), (640, 19456), (760, 16384), (1024, 12160), (1216, 10240), (1280, 9728), (1520, 8192), (2048, 6080), (2432, 5120), (2560, 4864), (3040, 4096)]