5478440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12451}}^1$

素因数の和:12473

約数の個数: 32

約数和(自身を含む): 13448160

約数和(自身を除く): 7969720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 12451, 24902, 49804, 62255, 99608, 124510, 136961, 249020, 273922, 498040, 547844, 684805, 1095688, 1369610, 2739220, 5478440]

約数ペア:

[(1, 5478440), (2, 2739220), (4, 1369610), (5, 1095688), (8, 684805), (10, 547844), (11, 498040), (20, 273922), (22, 249020), (40, 136961), (44, 124510), (55, 99608), (88, 62255), (110, 49804), (220, 24902), (440, 12451)]