40775120

素因数分解:

$2^4\times 5^1\times {\mathrm{509689}}^1$

素因数の和:509702

約数の個数: 20

約数和(自身を含む): 94802340

約数和(自身を除く): 54027220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509689, 1019378, 2038756, 2548445, 4077512, 5096890, 8155024, 10193780, 20387560, 40775120]

約数ペア:

[(1, 40775120), (2, 20387560), (4, 10193780), (5, 8155024), (8, 5096890), (10, 4077512), (16, 2548445), (20, 2038756), (40, 1019378), (80, 509689)]