16278165940

素因数分解:

$2^2\times 5^1\times {\mathrm{3209}}^1\times {\mathrm{253633}}^1$

素因数の和:256851

約数の個数: 24

約数和(自身を含む): 34194935880

約数和(自身を除く): 17916769940

約数列:

[1, 2, 4, 5, 10, 20, 3209, 6418, 12836, 16045, 32090, 64180, 253633, 507266, 1014532, 1268165, 2536330, 5072660, 813908297, 1627816594, 3255633188, 4069541485, 8139082970, 16278165940]

約数ペア:

[(1, 16278165940), (2, 8139082970), (4, 4069541485), (5, 3255633188), (10, 1627816594), (20, 813908297), (3209, 5072660), (6418, 2536330), (12836, 1268165), (16045, 1014532), (32090, 507266), (64180, 253633)]