2493440

素因数分解:

$2^{10}\times 5^1\times {\mathrm{487}}^1$

素因数の和:512

約数の個数: 44

約数和(自身を含む): 5993616

約数和(自身を除く): 3500176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 487, 512, 640, 974, 1024, 1280, 1948, 2435, 2560, 3896, 4870, 5120, 7792, 9740, 15584, 19480, 31168, 38960, 62336, 77920, 124672, 155840, 249344, 311680, 498688, 623360, 1246720, 2493440]

約数ペア:

[(1, 2493440), (2, 1246720), (4, 623360), (5, 498688), (8, 311680), (10, 249344), (16, 155840), (20, 124672), (32, 77920), (40, 62336), (64, 38960), (80, 31168), (128, 19480), (160, 15584), (256, 9740), (320, 7792), (487, 5120), (512, 4870), (640, 3896), (974, 2560), (1024, 2435), (1280, 1948)]