51688640

素因数分解:

$2^6\times 5^1\times {\mathrm{161527}}^1$

素因数の和:161544

約数の個数: 28

約数和(自身を含む): 123084336

約数和(自身を除く): 71395696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 161527, 323054, 646108, 807635, 1292216, 1615270, 2584432, 3230540, 5168864, 6461080, 10337728, 12922160, 25844320, 51688640]

約数ペア:

[(1, 51688640), (2, 25844320), (4, 12922160), (5, 10337728), (8, 6461080), (10, 5168864), (16, 3230540), (20, 2584432), (32, 1615270), (40, 1292216), (64, 807635), (80, 646108), (160, 323054), (320, 161527)]