419541040

素因数分解:

$2^4\times 5^1\times {\mathrm{5244263}}^1$

素因数の和:5244276

約数の個数: 20

約数和(自身を含む): 975433104

約数和(自身を除く): 555892064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5244263, 10488526, 20977052, 26221315, 41954104, 52442630, 83908208, 104885260, 209770520, 419541040]

約数ペア:

[(1, 419541040), (2, 209770520), (4, 104885260), (5, 83908208), (8, 52442630), (10, 41954104), (16, 26221315), (20, 20977052), (40, 10488526), (80, 5244263)]