28426060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109331}}^1$

素因数の和:109353

約数の個数: 24

約数和(自身を含む): 64287216

約数和(自身を除く): 35861156

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 109331, 218662, 437324, 546655, 1093310, 1421303, 2186620, 2842606, 5685212, 7106515, 14213030, 28426060]

約数ペア:

[(1, 28426060), (2, 14213030), (4, 7106515), (5, 5685212), (10, 2842606), (13, 2186620), (20, 1421303), (26, 1093310), (52, 546655), (65, 437324), (130, 218662), (260, 109331)]