87230440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{198251}}^1$

素因数の和:198273

約数の個数: 32

約数和(自身を含む): 214112160

約数和(自身を除く): 126881720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 198251, 396502, 793004, 991255, 1586008, 1982510, 2180761, 3965020, 4361522, 7930040, 8723044, 10903805, 17446088, 21807610, 43615220, 87230440]

約数ペア:

[(1, 87230440), (2, 43615220), (4, 21807610), (5, 17446088), (8, 10903805), (10, 8723044), (11, 7930040), (20, 4361522), (22, 3965020), (40, 2180761), (44, 1982510), (55, 1586008), (88, 991255), (110, 793004), (220, 396502), (440, 198251)]