55440880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^2$

素因数の和:526

約数の個数: 60

約数和(自身を含む): 141180696

約数和(自身を除く): 85739816

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 251, 440, 502, 880, 1004, 1255, 2008, 2510, 2761, 4016, 5020, 5522, 10040, 11044, 13805, 20080, 22088, 27610, 44176, 55220, 63001, 110440, 126002, 220880, 252004, 315005, 504008, 630010, 693011, 1008016, 1260020, 1386022, 2520040, 2772044, 3465055, 5040080, 5544088, 6930110, 11088176, 13860220, 27720440, 55440880]

約数ペア:

[(1, 55440880), (2, 27720440), (4, 13860220), (5, 11088176), (8, 6930110), (10, 5544088), (11, 5040080), (16, 3465055), (20, 2772044), (22, 2520040), (40, 1386022), (44, 1260020), (55, 1008016), (80, 693011), (88, 630010), (110, 504008), (176, 315005), (220, 252004), (251, 220880), (440, 126002), (502, 110440), (880, 63001), (1004, 55220), (1255, 44176), (2008, 27610), (2510, 22088), (2761, 20080), (4016, 13805), (5020, 11044), (5522, 10040)]