25211030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2179}}^1$

素因数の和:2288

約数の個数: 32

約数和(自身を含む): 49442400

約数和(自身を除く): 24231370

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2179, 2314, 4358, 5785, 10895, 11570, 21790, 28327, 56654, 141635, 193931, 283270, 387862, 969655, 1939310, 2521103, 5042206, 12605515, 25211030]

約数ペア:

[(1, 25211030), (2, 12605515), (5, 5042206), (10, 2521103), (13, 1939310), (26, 969655), (65, 387862), (89, 283270), (130, 193931), (178, 141635), (445, 56654), (890, 28327), (1157, 21790), (2179, 11570), (2314, 10895), (4358, 5785)]