72672580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{84503}}^1$

素因数の和:84555

約数の個数: 24

約数和(自身を含む): 156163392

約数和(自身を除く): 83490812

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 84503, 169006, 338012, 422515, 845030, 1690060, 3633629, 7267258, 14534516, 18168145, 36336290, 72672580]

約数ペア:

[(1, 72672580), (2, 36336290), (4, 18168145), (5, 14534516), (10, 7267258), (20, 3633629), (43, 1690060), (86, 845030), (172, 422515), (215, 338012), (430, 169006), (860, 84503)]