872416120

素因数分解:

$2^3\times 5^1\times {\mathrm{21810403}}^1$

素因数の和:21810414

約数の個数: 16

約数和(自身を含む): 1962936360

約数和(自身を除く): 1090520240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21810403, 43620806, 87241612, 109052015, 174483224, 218104030, 436208060, 872416120]

約数ペア:

[(1, 872416120), (2, 436208060), (4, 218104030), (5, 174483224), (8, 109052015), (10, 87241612), (20, 43620806), (40, 21810403)]