2004993640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3855757}}^1$

素因数の和:3855781

約数の個数: 32

約数和(自身を含む): 4858255080

約数和(自身を除く): 2853261440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3855757, 7711514, 15423028, 19278785, 30846056, 38557570, 50124841, 77115140, 100249682, 154230280, 200499364, 250624205, 400998728, 501248410, 1002496820, 2004993640]

約数ペア:

[(1, 2004993640), (2, 1002496820), (4, 501248410), (5, 400998728), (8, 250624205), (10, 200499364), (13, 154230280), (20, 100249682), (26, 77115140), (40, 50124841), (52, 38557570), (65, 30846056), (104, 19278785), (130, 15423028), (260, 7711514), (520, 3855757)]