429760640

素因数分解:

$2^7\times 5^1\times {\mathrm{671501}}^1$

素因数の和:671520

約数の個数: 32

約数和(自身を含む): 1027398060

約数和(自身を除く): 597637420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 671501, 1343002, 2686004, 3357505, 5372008, 6715010, 10744016, 13430020, 21488032, 26860040, 42976064, 53720080, 85952128, 107440160, 214880320, 429760640]

約数ペア:

[(1, 429760640), (2, 214880320), (4, 107440160), (5, 85952128), (8, 53720080), (10, 42976064), (16, 26860040), (20, 21488032), (32, 13430020), (40, 10744016), (64, 6715010), (80, 5372008), (128, 3357505), (160, 2686004), (320, 1343002), (640, 671501)]