26290220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1637}}^1$

素因数の和:1730

約数の個数: 48

約数和(自身を含む): 61090848

約数和(自身を除く): 34800628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 1637, 3212, 3274, 4015, 6548, 8030, 8185, 16060, 16370, 18007, 32740, 36014, 72028, 90035, 119501, 180070, 239002, 360140, 478004, 597505, 1195010, 1314511, 2390020, 2629022, 5258044, 6572555, 13145110, 26290220]

約数ペア:

[(1, 26290220), (2, 13145110), (4, 6572555), (5, 5258044), (10, 2629022), (11, 2390020), (20, 1314511), (22, 1195010), (44, 597505), (55, 478004), (73, 360140), (110, 239002), (146, 180070), (220, 119501), (292, 90035), (365, 72028), (730, 36014), (803, 32740), (1460, 18007), (1606, 16370), (1637, 16060), (3212, 8185), (3274, 8030), (4015, 6548)]