449761280

素因数分解:

$2^{12}\times 5^1\times {\mathrm{21961}}^1$

素因数の和:21990

約数の個数: 52

約数和(自身を含む): 1079344452

約数和(自身を除く): 629583172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 4096, 5120, 10240, 20480, 21961, 43922, 87844, 109805, 175688, 219610, 351376, 439220, 702752, 878440, 1405504, 1756880, 2811008, 3513760, 5622016, 7027520, 11244032, 14055040, 22488064, 28110080, 44976128, 56220160, 89952256, 112440320, 224880640, 449761280]

約数ペア:

[(1, 449761280), (2, 224880640), (4, 112440320), (5, 89952256), (8, 56220160), (10, 44976128), (16, 28110080), (20, 22488064), (32, 14055040), (40, 11244032), (64, 7027520), (80, 5622016), (128, 3513760), (160, 2811008), (256, 1756880), (320, 1405504), (512, 878440), (640, 702752), (1024, 439220), (1280, 351376), (2048, 219610), (2560, 175688), (4096, 109805), (5120, 87844), (10240, 43922), (20480, 21961)]