25990240

素因数分解:

$2^5\times 5^1\times {\mathrm{162439}}^1$

素因数の和:162454

約数の個数: 24

約数和(自身を含む): 61402320

約数和(自身を除く): 35412080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 162439, 324878, 649756, 812195, 1299512, 1624390, 2599024, 3248780, 5198048, 6497560, 12995120, 25990240]

約数ペア:

[(1, 25990240), (2, 12995120), (4, 6497560), (5, 5198048), (8, 3248780), (10, 2599024), (16, 1624390), (20, 1299512), (32, 812195), (40, 649756), (80, 324878), (160, 162439)]