289968165560

素因数分解:

$2^3\times 5^1\times {\mathrm{7249204139}}^1$

素因数の和:7249204150

約数の個数: 16

約数和(自身を含む): 652428372600

約数和(自身を除く): 362460207040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7249204139, 14498408278, 28996816556, 36246020695, 57993633112, 72492041390, 144984082780, 289968165560]

約数ペア:

[(1, 289968165560), (2, 144984082780), (4, 72492041390), (5, 57993633112), (8, 36246020695), (10, 28996816556), (20, 14498408278), (40, 7249204139)]