1900515880

素因数分解:

$2^3\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{39041}}^1$

素因数の和:40269

約数の個数: 32

約数和(自身を含む): 4279784040

約数和(自身を除く): 2379268160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1217, 2434, 4868, 6085, 9736, 12170, 24340, 39041, 48680, 78082, 156164, 195205, 312328, 390410, 780820, 1561640, 47512897, 95025794, 190051588, 237564485, 380103176, 475128970, 950257940, 1900515880]

約数ペア:

[(1, 1900515880), (2, 950257940), (4, 475128970), (5, 380103176), (8, 237564485), (10, 190051588), (20, 95025794), (40, 47512897), (1217, 1561640), (2434, 780820), (4868, 390410), (6085, 312328), (9736, 195205), (12170, 156164), (24340, 78082), (39041, 48680)]