25540004

素因数分解:

$2^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1423}}^1$

素因数の和:2075

約数の個数: 24

約数和(自身を含む): 51195648

約数和(自身を除く): 25655644

約数列:

[1, 2, 4, 7, 14, 28, 641, 1282, 1423, 2564, 2846, 4487, 5692, 8974, 9961, 17948, 19922, 39844, 912143, 1824286, 3648572, 6385001, 12770002, 25540004]

約数ペア:

[(1, 25540004), (2, 12770002), (4, 6385001), (7, 3648572), (14, 1824286), (28, 912143), (641, 39844), (1282, 19922), (1423, 17948), (2564, 9961), (2846, 8974), (4487, 5692)]