13712240

素因数分解:

$2^4\times 5^1\times {\mathrm{171403}}^1$

素因数の和:171416

約数の個数: 20

約数和(自身を含む): 31881144

約数和(自身を除く): 18168904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 171403, 342806, 685612, 857015, 1371224, 1714030, 2742448, 3428060, 6856120, 13712240]

約数ペア:

[(1, 13712240), (2, 6856120), (4, 3428060), (5, 2742448), (8, 1714030), (10, 1371224), (16, 857015), (20, 685612), (40, 342806), (80, 171403)]