210325120

素因数分解:

$2^7\times 5^1\times {\mathrm{328633}}^1$

素因数の和:328652

約数の個数: 32

約数和(自身を含む): 502810020

約数和(自身を除く): 292484900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 328633, 657266, 1314532, 1643165, 2629064, 3286330, 5258128, 6572660, 10516256, 13145320, 21032512, 26290640, 42065024, 52581280, 105162560, 210325120]

約数ペア:

[(1, 210325120), (2, 105162560), (4, 52581280), (5, 42065024), (8, 26290640), (10, 21032512), (16, 13145320), (20, 10516256), (32, 6572660), (40, 5258128), (64, 3286330), (80, 2629064), (128, 1643165), (160, 1314532), (320, 657266), (640, 328633)]