25380760

素因数分解:

$2^3\times 5^1\times {\mathrm{634519}}^1$

素因数の和:634530

約数の個数: 16

約数和(自身を含む): 57106800

約数和(自身を除く): 31726040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 634519, 1269038, 2538076, 3172595, 5076152, 6345190, 12690380, 25380760]

約数ペア:

[(1, 25380760), (2, 12690380), (4, 6345190), (5, 5076152), (8, 3172595), (10, 2538076), (20, 1269038), (40, 634519)]