51398230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20809}}^1$

素因数の和:20848

約数の個数: 32

約数和(自身を含む): 104882400

約数和(自身を除く): 53484170

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 20809, 41618, 104045, 208090, 270517, 395371, 541034, 790742, 1352585, 1976855, 2705170, 3953710, 5139823, 10279646, 25699115, 51398230]

約数ペア:

[(1, 51398230), (2, 25699115), (5, 10279646), (10, 5139823), (13, 3953710), (19, 2705170), (26, 1976855), (38, 1352585), (65, 790742), (95, 541034), (130, 395371), (190, 270517), (247, 208090), (494, 104045), (1235, 41618), (2470, 20809)]