217084240

素因数分解:

$2^4\times 5^1\times {\mathrm{2713553}}^1$

素因数の和:2713566

約数の個数: 20

約数和(自身を含む): 504721044

約数和(自身を除く): 287636804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2713553, 5427106, 10854212, 13567765, 21708424, 27135530, 43416848, 54271060, 108542120, 217084240]

約数ペア:

[(1, 217084240), (2, 108542120), (4, 54271060), (5, 43416848), (8, 27135530), (10, 21708424), (16, 13567765), (20, 10854212), (40, 5427106), (80, 2713553)]