169712240

素因数分解:

$2^4\times 5^1\times {\mathrm{2121403}}^1$

素因数の和:2121416

約数の個数: 20

約数和(自身を含む): 394581144

約数和(自身を除く): 224868904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2121403, 4242806, 8485612, 10607015, 16971224, 21214030, 33942448, 42428060, 84856120, 169712240]

約数ペア:

[(1, 169712240), (2, 84856120), (4, 42428060), (5, 33942448), (8, 21214030), (10, 16971224), (16, 10607015), (20, 8485612), (40, 4242806), (80, 2121403)]