266516560

素因数分解:

$2^4\times 5^1\times {\mathrm{3331457}}^1$

素因数の和:3331470

約数の個数: 20

約数和(自身を含む): 619651188

約数和(自身を除く): 353134628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3331457, 6662914, 13325828, 16657285, 26651656, 33314570, 53303312, 66629140, 133258280, 266516560]

約数ペア:

[(1, 266516560), (2, 133258280), (4, 66629140), (5, 53303312), (8, 33314570), (10, 26651656), (16, 16657285), (20, 13325828), (40, 6662914), (80, 3331457)]