281968240

素因数分解:

$2^4\times 5^1\times {\mathrm{3524603}}^1$

素因数の和:3524616

約数の個数: 20

約数和(自身を含む): 655576344

約数和(自身を除く): 373608104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3524603, 7049206, 14098412, 17623015, 28196824, 35246030, 56393648, 70492060, 140984120, 281968240]

約数ペア:

[(1, 281968240), (2, 140984120), (4, 70492060), (5, 56393648), (8, 35246030), (10, 28196824), (16, 17623015), (20, 14098412), (40, 7049206), (80, 3524603)]