51537280

素因数分解:

$2^7\times 5^1\times {\mathrm{80527}}^1$

素因数の和:80546

約数の個数: 32

約数和(自身を含む): 123207840

約数和(自身を除く): 71670560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 80527, 161054, 322108, 402635, 644216, 805270, 1288432, 1610540, 2576864, 3221080, 5153728, 6442160, 10307456, 12884320, 25768640, 51537280]

約数ペア:

[(1, 51537280), (2, 25768640), (4, 12884320), (5, 10307456), (8, 6442160), (10, 5153728), (16, 3221080), (20, 2576864), (32, 1610540), (40, 1288432), (64, 805270), (80, 644216), (128, 402635), (160, 322108), (320, 161054), (640, 80527)]