30280240

素因数分解:

$2^4\times 5^1\times {\mathrm{378503}}^1$

素因数の和:378516

約数の個数: 20

約数和(自身を含む): 70401744

約数和(自身を除く): 40121504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 378503, 757006, 1514012, 1892515, 3028024, 3785030, 6056048, 7570060, 15140120, 30280240]

約数ペア:

[(1, 30280240), (2, 15140120), (4, 7570060), (5, 6056048), (8, 3785030), (10, 3028024), (16, 1892515), (20, 1514012), (40, 757006), (80, 378503)]