25550512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{122839}}^1$

素因数の和:122860

約数の個数: 20

約数和(自身を含む): 53312560

約数和(自身を除く): 27762048

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 122839, 245678, 491356, 982712, 1596907, 1965424, 3193814, 6387628, 12775256, 25550512]

約数ペア:

[(1, 25550512), (2, 12775256), (4, 6387628), (8, 3193814), (13, 1965424), (16, 1596907), (26, 982712), (52, 491356), (104, 245678), (208, 122839)]