417687560

素因数分解:

$2^3\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{8101}}^1$

素因数の和:9401

約数の個数: 32

約数和(自身を含む): 940642200

約数和(自身を除く): 522954640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1289, 2578, 5156, 6445, 8101, 10312, 12890, 16202, 25780, 32404, 40505, 51560, 64808, 81010, 162020, 324040, 10442189, 20884378, 41768756, 52210945, 83537512, 104421890, 208843780, 417687560]

約数ペア:

[(1, 417687560), (2, 208843780), (4, 104421890), (5, 83537512), (8, 52210945), (10, 41768756), (20, 20884378), (40, 10442189), (1289, 324040), (2578, 162020), (5156, 81010), (6445, 64808), (8101, 51560), (10312, 40505), (12890, 32404), (16202, 25780)]