254384080

素因数分解:

$2^4\times 5^1\times {\mathrm{3179801}}^1$

素因数の和:3179814

約数の個数: 20

約数和(自身を含む): 591443172

約数和(自身を除く): 337059092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3179801, 6359602, 12719204, 15899005, 25438408, 31798010, 50876816, 63596020, 127192040, 254384080]

約数ペア:

[(1, 254384080), (2, 127192040), (4, 63596020), (5, 50876816), (8, 31798010), (10, 25438408), (16, 15899005), (20, 12719204), (40, 6359602), (80, 3179801)]