219075880

素因数分解:

$2^3\times 5^1\times {\mathrm{1373}}^1\times {\mathrm{3989}}^1$

素因数の和:5373

約数の個数: 32

約数和(自身を含む): 493403400

約数和(自身を除く): 274327520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1373, 2746, 3989, 5492, 6865, 7978, 10984, 13730, 15956, 19945, 27460, 31912, 39890, 54920, 79780, 159560, 5476897, 10953794, 21907588, 27384485, 43815176, 54768970, 109537940, 219075880]

約数ペア:

[(1, 219075880), (2, 109537940), (4, 54768970), (5, 43815176), (8, 27384485), (10, 21907588), (20, 10953794), (40, 5476897), (1373, 159560), (2746, 79780), (3989, 54920), (5492, 39890), (6865, 31912), (7978, 27460), (10984, 19945), (13730, 15956)]