25171250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1549}}^1$

素因数の和:1584

約数の個数: 40

約数和(自身を含む): 50843100

約数和(自身を除く): 25671850

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1549, 1625, 3098, 3250, 7745, 8125, 15490, 16250, 20137, 38725, 40274, 77450, 100685, 193625, 201370, 387250, 503425, 968125, 1006850, 1936250, 2517125, 5034250, 12585625, 25171250]

約数ペア:

[(1, 25171250), (2, 12585625), (5, 5034250), (10, 2517125), (13, 1936250), (25, 1006850), (26, 968125), (50, 503425), (65, 387250), (125, 201370), (130, 193625), (250, 100685), (325, 77450), (625, 40274), (650, 38725), (1250, 20137), (1549, 16250), (1625, 15490), (3098, 8125), (3250, 7745)]