410240

素因数分解:

$2^7\times 5^1\times {\mathrm{641}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 982260

約数和(自身を除く): 572020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 641, 1282, 2564, 3205, 5128, 6410, 10256, 12820, 20512, 25640, 41024, 51280, 82048, 102560, 205120, 410240]

約数ペア:

[(1, 410240), (2, 205120), (4, 102560), (5, 82048), (8, 51280), (10, 41024), (16, 25640), (20, 20512), (32, 12820), (40, 10256), (64, 6410), (80, 5128), (128, 3205), (160, 2564), (320, 1282), (640, 641)]