745684040

素因数分解:

$2^3\times 5^1\times {\mathrm{18642101}}^1$

素因数の和:18642112

約数の個数: 16

約数和(自身を含む): 1677789180

約数和(自身を除く): 932105140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 18642101, 37284202, 74568404, 93210505, 149136808, 186421010, 372842020, 745684040]

約数ペア:

[(1, 745684040), (2, 372842020), (4, 186421010), (5, 149136808), (8, 93210505), (10, 74568404), (20, 37284202), (40, 18642101)]