9994240

素因数分解:

$2^{15}\times 5^1\times {\mathrm{61}}^1$

素因数の和:96

約数の個数: 64

約数和(自身を含む): 24379020

約数和(自身を除く): 14384780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 512, 610, 640, 976, 1024, 1220, 1280, 1952, 2048, 2440, 2560, 3904, 4096, 4880, 5120, 7808, 8192, 9760, 10240, 15616, 16384, 19520, 20480, 31232, 32768, 39040, 40960, 62464, 78080, 81920, 124928, 156160, 163840, 249856, 312320, 499712, 624640, 999424, 1249280, 1998848, 2498560, 4997120, 9994240]

約数ペア:

[(1, 9994240), (2, 4997120), (4, 2498560), (5, 1998848), (8, 1249280), (10, 999424), (16, 624640), (20, 499712), (32, 312320), (40, 249856), (61, 163840), (64, 156160), (80, 124928), (122, 81920), (128, 78080), (160, 62464), (244, 40960), (256, 39040), (305, 32768), (320, 31232), (488, 20480), (512, 19520), (610, 16384), (640, 15616), (976, 10240), (1024, 9760), (1220, 8192), (1280, 7808), (1952, 5120), (2048, 4880), (2440, 4096), (2560, 3904)]