90750440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{206251}}^1$

素因数の和:206273

約数の個数: 32

約数和(自身を含む): 222752160

約数和(自身を除く): 132001720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 206251, 412502, 825004, 1031255, 1650008, 2062510, 2268761, 4125020, 4537522, 8250040, 9075044, 11343805, 18150088, 22687610, 45375220, 90750440]

約数ペア:

[(1, 90750440), (2, 45375220), (4, 22687610), (5, 18150088), (8, 11343805), (10, 9075044), (11, 8250040), (20, 4537522), (22, 4125020), (40, 2268761), (44, 2062510), (55, 1650008), (88, 1031255), (110, 825004), (220, 412502), (440, 206251)]