72272240

素因数分解:

$2^4\times 5^1\times {\mathrm{903403}}^1$

素因数の和:903416

約数の個数: 20

約数和(自身を含む): 168033144

約数和(自身を除く): 95760904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 903403, 1806806, 3613612, 4517015, 7227224, 9034030, 14454448, 18068060, 36136120, 72272240]

約数ペア:

[(1, 72272240), (2, 36136120), (4, 18068060), (5, 14454448), (8, 9034030), (10, 7227224), (16, 4517015), (20, 3613612), (40, 1806806), (80, 903403)]