25840048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{124231}}^1$

素因数の和:124252

約数の個数: 20

約数和(自身を含む): 53916688

約数和(自身を除く): 28076640

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 124231, 248462, 496924, 993848, 1615003, 1987696, 3230006, 6460012, 12920024, 25840048]

約数ペア:

[(1, 25840048), (2, 12920024), (4, 6460012), (8, 3230006), (13, 1987696), (16, 1615003), (26, 993848), (52, 496924), (104, 248462), (208, 124231)]