66638440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151451}}^1$

素因数の和:151473

約数の個数: 32

約数和(自身を含む): 163568160

約数和(自身を除く): 96929720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 151451, 302902, 605804, 757255, 1211608, 1514510, 1665961, 3029020, 3331922, 6058040, 6663844, 8329805, 13327688, 16659610, 33319220, 66638440]

約数ペア:

[(1, 66638440), (2, 33319220), (4, 16659610), (5, 13327688), (8, 8329805), (10, 6663844), (11, 6058040), (20, 3331922), (22, 3029020), (40, 1665961), (44, 1514510), (55, 1211608), (88, 757255), (110, 605804), (220, 302902), (440, 151451)]