4070720

素因数分解:

$2^6\times 5^1\times {\mathrm{12721}}^1$

素因数の和:12738

約数の個数: 28

約数和(自身を含む): 9694164

約数和(自身を除く): 5623444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 12721, 25442, 50884, 63605, 101768, 127210, 203536, 254420, 407072, 508840, 814144, 1017680, 2035360, 4070720]

約数ペア:

[(1, 4070720), (2, 2035360), (4, 1017680), (5, 814144), (8, 508840), (10, 407072), (16, 254420), (20, 203536), (32, 127210), (40, 101768), (64, 63605), (80, 50884), (160, 25442), (320, 12721)]