2016025040

素因数分解:

$2^4\times 5^1\times {\mathrm{25200313}}^1$

素因数の和:25200326

約数の個数: 20

約数和(自身を含む): 4687258404

約数和(自身を除く): 2671233364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25200313, 50400626, 100801252, 126001565, 201602504, 252003130, 403205008, 504006260, 1008012520, 2016025040]

約数ペア:

[(1, 2016025040), (2, 1008012520), (4, 504006260), (5, 403205008), (8, 252003130), (10, 201602504), (16, 126001565), (20, 100801252), (40, 50400626), (80, 25200313)]