25912240

素因数分解:

$2^4\times 5^1\times {\mathrm{323903}}^1$

素因数の和:323916

約数の個数: 20

約数和(自身を含む): 60246144

約数和(自身を除く): 34333904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 323903, 647806, 1295612, 1619515, 2591224, 3239030, 5182448, 6478060, 12956120, 25912240]

約数ペア:

[(1, 25912240), (2, 12956120), (4, 6478060), (5, 5182448), (8, 3239030), (10, 2591224), (16, 1619515), (20, 1295612), (40, 647806), (80, 323903)]