802420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{757}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 1719144

約数和(自身を除く): 916724

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 757, 1060, 1514, 3028, 3785, 7570, 15140, 40121, 80242, 160484, 200605, 401210, 802420]

約数ペア:

[(1, 802420), (2, 401210), (4, 200605), (5, 160484), (10, 80242), (20, 40121), (53, 15140), (106, 7570), (212, 3785), (265, 3028), (530, 1514), (757, 1060)]