81976480

素因数分解:

$2^5\times 5^1\times {\mathrm{512353}}^1$

素因数の和:512368

約数の個数: 24

約数和(自身を含む): 193669812

約数和(自身を除く): 111693332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 512353, 1024706, 2049412, 2561765, 4098824, 5123530, 8197648, 10247060, 16395296, 20494120, 40988240, 81976480]

約数ペア:

[(1, 81976480), (2, 40988240), (4, 20494120), (5, 16395296), (8, 10247060), (10, 8197648), (16, 5123530), (20, 4098824), (32, 2561765), (40, 2049412), (80, 1024706), (160, 512353)]