420301040

素因数分解:

$2^4\times 5^1\times {\mathrm{5253763}}^1$

素因数の和:5253776

約数の個数: 20

約数和(自身を含む): 977200104

約数和(自身を除く): 556899064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5253763, 10507526, 21015052, 26268815, 42030104, 52537630, 84060208, 105075260, 210150520, 420301040]

約数ペア:

[(1, 420301040), (2, 210150520), (4, 105075260), (5, 84060208), (8, 52537630), (10, 42030104), (16, 26268815), (20, 21015052), (40, 10507526), (80, 5253763)]