25640380

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{27277}}^1$

素因数の和:27333

約数の個数: 24

約数和(自身を含む): 54992448

約数和(自身を除く): 29352068

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 27277, 54554, 109108, 136385, 272770, 545540, 1282019, 2564038, 5128076, 6410095, 12820190, 25640380]

約数ペア:

[(1, 25640380), (2, 12820190), (4, 6410095), (5, 5128076), (10, 2564038), (20, 1282019), (47, 545540), (94, 272770), (188, 136385), (235, 109108), (470, 54554), (940, 27277)]