28550104220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129773201}}^1$

素因数の和:129773221

約数の個数: 24

約数和(自身を含む): 65405693808

約数和(自身を除く): 36855589588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 129773201, 259546402, 519092804, 648866005, 1297732010, 1427505211, 2595464020, 2855010422, 5710020844, 7137526055, 14275052110, 28550104220]

約数ペア:

[(1, 28550104220), (2, 14275052110), (4, 7137526055), (5, 5710020844), (10, 2855010422), (11, 2595464020), (20, 1427505211), (22, 1297732010), (44, 648866005), (55, 519092804), (110, 259546402), (220, 129773201)]