2012876620

素因数分解:

$2^2\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{78079}}^1$

素因数の和:79377

約数の個数: 24

約数和(自身を含む): 4230374400

約数和(自身を除く): 2217497780

約数列:

[1, 2, 4, 5, 10, 20, 1289, 2578, 5156, 6445, 12890, 25780, 78079, 156158, 312316, 390395, 780790, 1561580, 100643831, 201287662, 402575324, 503219155, 1006438310, 2012876620]

約数ペア:

[(1, 2012876620), (2, 1006438310), (4, 503219155), (5, 402575324), (10, 201287662), (20, 100643831), (1289, 1561580), (2578, 780790), (5156, 390395), (6445, 312316), (12890, 156158), (25780, 78079)]