39976960

素因数分解:

$2^{17}\times 5^1\times {\mathrm{61}}^1$

素因数の和:100

約数の個数: 72

約数和(自身を含む): 97517196

約数和(自身を除く): 57540236

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, 65536, 78080, 81920, 124928, 131072, 156160, 163840, 249856, 312320, 327680, 499712, 624640, 655360, 999424, 1249280, 1998848, 2498560, 3997696, 4997120, 7995392, 9994240, 19988480, 39976960]

約数ペア:

[(1, 39976960), (2, 19988480), (4, 9994240), (5, 7995392), (8, 4997120), (10, 3997696), (16, 2498560), (20, 1998848), (32, 1249280), (40, 999424), (61, 655360), (64, 624640), (80, 499712), (122, 327680), (128, 312320), (160, 249856), (244, 163840), (256, 156160), (305, 131072), (320, 124928), (488, 81920), (512, 78080), (610, 65536), (640, 62464), (976, 40960), (1024, 39040), (1220, 32768), (1280, 31232), (1952, 20480), (2048, 19520), (2440, 16384), (2560, 15616), (3904, 10240), (4096, 9760), (4880, 8192), (5120, 7808)]