426513280

素因数分解:

$2^7\times 5^1\times {\mathrm{666427}}^1$

素因数の和:666446

約数の個数: 32

約数和(自身を含む): 1019634840

約数和(自身を除く): 593121560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 666427, 1332854, 2665708, 3332135, 5331416, 6664270, 10662832, 13328540, 21325664, 26657080, 42651328, 53314160, 85302656, 106628320, 213256640, 426513280]

約数ペア:

[(1, 426513280), (2, 213256640), (4, 106628320), (5, 85302656), (8, 53314160), (10, 42651328), (16, 26657080), (20, 21325664), (32, 13328540), (40, 10662832), (64, 6664270), (80, 5331416), (128, 3332135), (160, 2665708), (320, 1332854), (640, 666427)]