7287020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28027}}^1$

素因数の和:28049

約数の個数: 24

約数和(自身を含む): 16480464

約数和(自身を除く): 9193444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 28027, 56054, 112108, 140135, 280270, 364351, 560540, 728702, 1457404, 1821755, 3643510, 7287020]

約数ペア:

[(1, 7287020), (2, 3643510), (4, 1821755), (5, 1457404), (10, 728702), (13, 560540), (20, 364351), (26, 280270), (52, 140135), (65, 112108), (130, 56054), (260, 28027)]