25421552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{122219}}^1$

素因数の和:122240

約数の個数: 20

約数和(自身を含む): 53043480

約数和(自身を除く): 27621928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 122219, 244438, 488876, 977752, 1588847, 1955504, 3177694, 6355388, 12710776, 25421552]

約数ペア:

[(1, 25421552), (2, 12710776), (4, 6355388), (8, 3177694), (13, 1955504), (16, 1588847), (26, 977752), (52, 488876), (104, 244438), (208, 122219)]