77872040

素因数分解:

$2^3\times 5^1\times {\mathrm{1946801}}^1$

素因数の和:1946812

約数の個数: 16

約数和(自身を含む): 175212180

約数和(自身を除く): 97340140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1946801, 3893602, 7787204, 9734005, 15574408, 19468010, 38936020, 77872040]

約数ペア:

[(1, 77872040), (2, 38936020), (4, 19468010), (5, 15574408), (8, 9734005), (10, 7787204), (20, 3893602), (40, 1946801)]