261987410

素因数分解:

$2^1\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{25411}}^1$

素因数の和:26449

約数の個数: 16

約数和(自身を含む): 472053312

約数和(自身を除く): 210065902

約数列:

[1, 2, 5, 10, 1031, 2062, 5155, 10310, 25411, 50822, 127055, 254110, 26198741, 52397482, 130993705, 261987410]

約数ペア:

[(1, 261987410), (2, 130993705), (5, 52397482), (10, 26198741), (1031, 254110), (2062, 127055), (5155, 50822), (10310, 25411)]