91428640

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4111}}^1$

素因数の和:4265

約数の個数: 48

約数和(自身を含む): 217607040

約数和(自身を除く): 126178400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2780, 4111, 4448, 5560, 8222, 11120, 16444, 20555, 22240, 32888, 41110, 65776, 82220, 131552, 164440, 328880, 571429, 657760, 1142858, 2285716, 2857145, 4571432, 5714290, 9142864, 11428580, 18285728, 22857160, 45714320, 91428640]

約数ペア:

[(1, 91428640), (2, 45714320), (4, 22857160), (5, 18285728), (8, 11428580), (10, 9142864), (16, 5714290), (20, 4571432), (32, 2857145), (40, 2285716), (80, 1142858), (139, 657760), (160, 571429), (278, 328880), (556, 164440), (695, 131552), (1112, 82220), (1390, 65776), (2224, 41110), (2780, 32888), (4111, 22240), (4448, 20555), (5560, 16444), (8222, 11120)]