25560356

素因数分解:

$2^2\times {\mathrm{163}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 45460800

約数和(自身を除く): 19900444

約数列:

[1, 2, 4, 163, 197, 199, 326, 394, 398, 652, 788, 796, 32111, 32437, 39203, 64222, 64874, 78406, 128444, 129748, 156812, 6390089, 12780178, 25560356]

約数ペア:

[(1, 25560356), (2, 12780178), (4, 6390089), (163, 156812), (197, 129748), (199, 128444), (326, 78406), (394, 64874), (398, 64222), (652, 39203), (788, 32437), (796, 32111)]