25552040

素因数分解:

$2^3\times 5^1\times {\mathrm{638801}}^1$

素因数の和:638812

約数の個数: 16

約数和(自身を含む): 57492180

約数和(自身を除く): 31940140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 638801, 1277602, 2555204, 3194005, 5110408, 6388010, 12776020, 25552040]

約数ペア:

[(1, 25552040), (2, 12776020), (4, 6388010), (5, 5110408), (8, 3194005), (10, 2555204), (20, 1277602), (40, 638801)]